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Finding the Fourth Proportional to 595,938.20, 893,907.30 and 477,840.20

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Solution

The fourth proportional to 595,938.20, 893,907.30 and 477,840.20 is: 716,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,938.20 : 893,907.30 = 477,840.20 : x
  2. Step 2: Convert to fraction form
    595,938.20/893,907.30 = 477,840.20/x
  3. Step 3: Cross multiply
    595,938.20x = 893,907.30 × 477,840.20
  4. Step 4: Simplify right side
    595,938.20x = 427,144,843,013.46
  5. Step 5: Solve for x
    x = 427,144,843,013.46/595,938.20
  6. Step 6: Final answer
    x = 716,760.30

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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.