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Finding the Fourth Proportional to 614,862.72, 922,444.14 and 235,776.68

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Solution

The fourth proportional to 614,862.72, 922,444.14 and 235,776.68 is: 353,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,862.72 : 922,444.14 = 235,776.68 : x
  2. Step 2: Convert to fraction form
    614,862.72/922,444.14 = 235,776.68/x
  3. Step 3: Cross multiply
    614,862.72x = 922,444.14 × 235,776.68
  4. Step 4: Simplify right side
    614,862.72x = 217,490,816,814.66
  5. Step 5: Solve for x
    x = 217,490,816,814.66/614,862.72
  6. Step 6: Final answer
    x = 353,722.56

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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.