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Finding the Fourth Proportional to 354,894,762.56, 531,866,301.08 and 276,206,290.26

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Solution

The fourth proportional to 354,894,762.56, 531,866,301.08 and 276,206,290.26 is: 413,939,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,894,762.56 : 531,866,301.08 = 276,206,290.26 : x
  2. Step 2: Convert to fraction form
    354,894,762.56/531,866,301.08 = 276,206,290.26/x
  3. Step 3: Cross multiply
    354,894,762.56x = 531,866,301.08 × 276,206,290.26
  4. Step 4: Simplify right side
    354,894,762.56x = 146,904,817,934,233,984
  5. Step 5: Solve for x
    x = 146,904,817,934,233,984/354,894,762.56
  6. Step 6: Final answer
    x = 413,939,098.11

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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.