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Finding the Fourth Proportional to 670,084.96, 924,720.24 and 368,298.40

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Solution

The fourth proportional to 670,084.96, 924,720.24 and 368,298.40 is: 508,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,084.96 : 924,720.24 = 368,298.40 : x
  2. Step 2: Convert to fraction form
    670,084.96/924,720.24 = 368,298.40/x
  3. Step 3: Cross multiply
    670,084.96x = 924,720.24 × 368,298.40
  4. Step 4: Simplify right side
    670,084.96x = 340,572,984,839.62
  5. Step 5: Solve for x
    x = 340,572,984,839.62/670,084.96
  6. Step 6: Final answer
    x = 508,253.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.