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Finding the Fourth Proportional to 484,124.40, 726,089.40 and 231,404.40

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Solution

The fourth proportional to 484,124.40, 726,089.40 and 231,404.40 is: 347,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,124.40 : 726,089.40 = 231,404.40 : x
  2. Step 2: Convert to fraction form
    484,124.40/726,089.40 = 231,404.40/x
  3. Step 3: Cross multiply
    484,124.40x = 726,089.40 × 231,404.40
  4. Step 4: Simplify right side
    484,124.40x = 168,020,281,953.36
  5. Step 5: Solve for x
    x = 168,020,281,953.36/484,124.40
  6. Step 6: Final answer
    x = 347,060.14

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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.