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Finding the Fourth Proportional to 637,174.85, 955,762.65 and 436,888.02

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Solution

The fourth proportional to 637,174.85, 955,762.65 and 436,888.02 is: 655,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,174.85 : 955,762.65 = 436,888.02 : x
  2. Step 2: Convert to fraction form
    637,174.85/955,762.65 = 436,888.02/x
  3. Step 3: Cross multiply
    637,174.85x = 955,762.65 × 436,888.02
  4. Step 4: Simplify right side
    637,174.85x = 417,561,253,633.11
  5. Step 5: Solve for x
    x = 417,561,253,633.11/637,174.85
  6. Step 6: Final answer
    x = 655,332.29

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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.