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Finding the Fourth Proportional to 458,277.63, 687,252.42 and 158,677.77

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Solution

The fourth proportional to 458,277.63, 687,252.42 and 158,677.77 is: 237,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,277.63 : 687,252.42 = 158,677.77 : x
  2. Step 2: Convert to fraction form
    458,277.63/687,252.42 = 158,677.77/x
  3. Step 3: Cross multiply
    458,277.63x = 687,252.42 × 158,677.77
  4. Step 4: Simplify right side
    458,277.63x = 109,051,681,432.70
  5. Step 5: Solve for x
    x = 109,051,681,432.70/458,277.63
  6. Step 6: Final answer
    x = 237,959.86

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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.