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Finding the Fourth Proportional to 437,302.50, 656,006.32 and 413,387.66

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Solution

The fourth proportional to 437,302.50, 656,006.32 and 413,387.66 is: 620,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,302.50 : 656,006.32 = 413,387.66 : x
  2. Step 2: Convert to fraction form
    437,302.50/656,006.32 = 413,387.66/x
  3. Step 3: Cross multiply
    437,302.50x = 656,006.32 × 413,387.66
  4. Step 4: Simplify right side
    437,302.50x = 271,184,917,570.01
  5. Step 5: Solve for x
    x = 271,184,917,570.01/437,302.50
  6. Step 6: Final answer
    x = 620,131.19

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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.