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Finding the Fourth Proportional to 672,701.52, 928,335.33 and 366,775.39

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Solution

The fourth proportional to 672,701.52, 928,335.33 and 366,775.39 is: 506,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,701.52 : 928,335.33 = 366,775.39 : x
  2. Step 2: Convert to fraction form
    672,701.52/928,335.33 = 366,775.39/x
  3. Step 3: Cross multiply
    672,701.52x = 928,335.33 × 366,775.39
  4. Step 4: Simplify right side
    672,701.52x = 340,490,552,711.53
  5. Step 5: Solve for x
    x = 340,490,552,711.53/672,701.52
  6. Step 6: Final answer
    x = 506,153.98

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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.