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Finding the Fourth Proportional to 676,047.90, 932,946.30 and 374,241.90

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Solution

The fourth proportional to 676,047.90, 932,946.30 and 374,241.90 is: 516,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,047.90 : 932,946.30 = 374,241.90 : x
  2. Step 2: Convert to fraction form
    676,047.90/932,946.30 = 374,241.90/x
  3. Step 3: Cross multiply
    676,047.90x = 932,946.30 × 374,241.90
  4. Step 4: Simplify right side
    676,047.90x = 349,147,595,909.97
  5. Step 5: Solve for x
    x = 349,147,595,909.97/676,047.90
  6. Step 6: Final answer
    x = 516,453.93

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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.