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Finding the Fourth Proportional to 616,004.20, 924,140.70 and 349,892.20

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Solution

The fourth proportional to 616,004.20, 924,140.70 and 349,892.20 is: 524,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,004.20 : 924,140.70 = 349,892.20 : x
  2. Step 2: Convert to fraction form
    616,004.20/924,140.70 = 349,892.20/x
  3. Step 3: Cross multiply
    616,004.20x = 924,140.70 × 349,892.20
  4. Step 4: Simplify right side
    616,004.20x = 323,349,622,632.54
  5. Step 5: Solve for x
    x = 323,349,622,632.54/616,004.20
  6. Step 6: Final answer
    x = 524,914.64

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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.