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Finding the Fourth Proportional to 676,213.72, 932,041.14 and 539,810.44

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Solution

The fourth proportional to 676,213.72, 932,041.14 and 539,810.44 is: 744,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,213.72 : 932,041.14 = 539,810.44 : x
  2. Step 2: Convert to fraction form
    676,213.72/932,041.14 = 539,810.44/x
  3. Step 3: Cross multiply
    676,213.72x = 932,041.14 × 539,810.44
  4. Step 4: Simplify right side
    676,213.72x = 503,125,537,881.50
  5. Step 5: Solve for x
    x = 503,125,537,881.50/676,213.72
  6. Step 6: Final answer
    x = 744,033.32

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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.