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Finding the Fourth Proportional to 477,153.72, 658,472.90 and 262,295.15

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Solution

The fourth proportional to 477,153.72, 658,472.90 and 262,295.15 is: 361,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,153.72 : 658,472.90 = 262,295.15 : x
  2. Step 2: Convert to fraction form
    477,153.72/658,472.90 = 262,295.15/x
  3. Step 3: Cross multiply
    477,153.72x = 658,472.90 × 262,295.15
  4. Step 4: Simplify right side
    477,153.72x = 172,714,243,472.60
  5. Step 5: Solve for x
    x = 172,714,243,472.60/477,153.72
  6. Step 6: Final answer
    x = 361,967.72

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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.