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Finding the Fourth Proportional to 588,902.40, 883,353.60 and 402,278.40

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Solution

The fourth proportional to 588,902.40, 883,353.60 and 402,278.40 is: 603,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,902.40 : 883,353.60 = 402,278.40 : x
  2. Step 2: Convert to fraction form
    588,902.40/883,353.60 = 402,278.40/x
  3. Step 3: Cross multiply
    588,902.40x = 883,353.60 × 402,278.40
  4. Step 4: Simplify right side
    588,902.40x = 355,354,072,842.24
  5. Step 5: Solve for x
    x = 355,354,072,842.24/588,902.40
  6. Step 6: Final answer
    x = 603,417.60

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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.