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Finding the Fourth Proportional to 595,866.40, 893,799.60 and 490,890.40

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Solution

The fourth proportional to 595,866.40, 893,799.60 and 490,890.40 is: 736,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,866.40 : 893,799.60 = 490,890.40 : x
  2. Step 2: Convert to fraction form
    595,866.40/893,799.60 = 490,890.40/x
  3. Step 3: Cross multiply
    595,866.40x = 893,799.60 × 490,890.40
  4. Step 4: Simplify right side
    595,866.40x = 438,757,643,163.84
  5. Step 5: Solve for x
    x = 438,757,643,163.84/595,866.40
  6. Step 6: Final answer
    x = 736,335.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.