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Finding the Fourth Proportional to 541,347.39, 745,347.69 and 476,770.95

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Solution

The fourth proportional to 541,347.39, 745,347.69 and 476,770.95 is: 656,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,347.39 : 745,347.69 = 476,770.95 : x
  2. Step 2: Convert to fraction form
    541,347.39/745,347.69 = 476,770.95/x
  3. Step 3: Cross multiply
    541,347.39x = 745,347.69 × 476,770.95
  4. Step 4: Simplify right side
    541,347.39x = 355,360,126,241.61
  5. Step 5: Solve for x
    x = 355,360,126,241.61/541,347.39
  6. Step 6: Final answer
    x = 656,436.39

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Double scale
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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.