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Finding the Fourth Proportional to 893,233.80, 1,339,850.70 and 609,798.60

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Solution

The fourth proportional to 893,233.80, 1,339,850.70 and 609,798.60 is: 914,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,233.80 : 1,339,850.70 = 609,798.60 : x
  2. Step 2: Convert to fraction form
    893,233.80/1,339,850.70 = 609,798.60/x
  3. Step 3: Cross multiply
    893,233.80x = 1,339,850.70 × 609,798.60
  4. Step 4: Simplify right side
    893,233.80x = 817,039,081,069.02
  5. Step 5: Solve for x
    x = 817,039,081,069.02/893,233.80
  6. Step 6: Final answer
    x = 914,697.90

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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.