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Finding the Fourth Proportional to 710,266.92, 979,925.24 and 404,266.74

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Solution

The fourth proportional to 710,266.92, 979,925.24 and 404,266.74 is: 557,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,266.92 : 979,925.24 = 404,266.74 : x
  2. Step 2: Convert to fraction form
    710,266.92/979,925.24 = 404,266.74/x
  3. Step 3: Cross multiply
    710,266.92x = 979,925.24 × 404,266.74
  4. Step 4: Simplify right side
    710,266.92x = 396,151,182,218.52
  5. Step 5: Solve for x
    x = 396,151,182,218.52/710,266.92
  6. Step 6: Final answer
    x = 557,749.73

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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.