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Finding the Fourth Proportional to 458,773.83, 687,781.88 and 202,423.91

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Solution

The fourth proportional to 458,773.83, 687,781.88 and 202,423.91 is: 303,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,773.83 : 687,781.88 = 202,423.91 : x
  2. Step 2: Convert to fraction form
    458,773.83/687,781.88 = 202,423.91/x
  3. Step 3: Cross multiply
    458,773.83x = 687,781.88 × 202,423.91
  4. Step 4: Simplify right side
    458,773.83x = 139,223,492,925.72
  5. Step 5: Solve for x
    x = 139,223,492,925.72/458,773.83
  6. Step 6: Final answer
    x = 303,468.69

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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.