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Finding the Fourth Proportional to 416,397.35, 575,596.74 and 371,520.11

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Solution

The fourth proportional to 416,397.35, 575,596.74 and 371,520.11 is: 513,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,397.35 : 575,596.74 = 371,520.11 : x
  2. Step 2: Convert to fraction form
    416,397.35/575,596.74 = 371,520.11/x
  3. Step 3: Cross multiply
    416,397.35x = 575,596.74 × 371,520.11
  4. Step 4: Simplify right side
    416,397.35x = 213,845,761,282.46
  5. Step 5: Solve for x
    x = 213,845,761,282.46/416,397.35
  6. Step 6: Final answer
    x = 513,561.78

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1.5x scale

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.