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Finding the Fourth Proportional to 675,951.48, 932,749.11 and 403,965.18

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Solution

The fourth proportional to 675,951.48, 932,749.11 and 403,965.18 is: 557,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,951.48 : 932,749.11 = 403,965.18 : x
  2. Step 2: Convert to fraction form
    675,951.48/932,749.11 = 403,965.18/x
  3. Step 3: Cross multiply
    675,951.48x = 932,749.11 × 403,965.18
  4. Step 4: Simplify right side
    675,951.48x = 376,798,162,115.99
  5. Step 5: Solve for x
    x = 376,798,162,115.99/675,951.48
  6. Step 6: Final answer
    x = 557,433.74

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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.