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Finding the Fourth Proportional to 458,044.08, 687,070.56 and 173,658.16

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Solution

The fourth proportional to 458,044.08, 687,070.56 and 173,658.16 is: 260,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,044.08 : 687,070.56 = 173,658.16 : x
  2. Step 2: Convert to fraction form
    458,044.08/687,070.56 = 173,658.16/x
  3. Step 3: Cross multiply
    458,044.08x = 687,070.56 × 173,658.16
  4. Step 4: Simplify right side
    458,044.08x = 119,315,409,239.77
  5. Step 5: Solve for x
    x = 119,315,409,239.77/458,044.08
  6. Step 6: Final answer
    x = 260,488.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.