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Finding the Fourth Proportional to 614,658.24, 921,440.16 and 240,941.76

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Solution

The fourth proportional to 614,658.24, 921,440.16 and 240,941.76 is: 361,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,658.24 : 921,440.16 = 240,941.76 : x
  2. Step 2: Convert to fraction form
    614,658.24/921,440.16 = 240,941.76/x
  3. Step 3: Cross multiply
    614,658.24x = 921,440.16 × 240,941.76
  4. Step 4: Simplify right side
    614,658.24x = 222,013,413,885.08
  5. Step 5: Solve for x
    x = 222,013,413,885.08/614,658.24
  6. Step 6: Final answer
    x = 361,198.14

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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.