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Finding the Fourth Proportional to 437,254.44, 654,400.20 and 268,881.42

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Solution

The fourth proportional to 437,254.44, 654,400.20 and 268,881.42 is: 402,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,254.44 : 654,400.20 = 268,881.42 : x
  2. Step 2: Convert to fraction form
    437,254.44/654,400.20 = 268,881.42/x
  3. Step 3: Cross multiply
    437,254.44x = 654,400.20 × 268,881.42
  4. Step 4: Simplify right side
    437,254.44x = 175,956,055,024.28
  5. Step 5: Solve for x
    x = 175,956,055,024.28/437,254.44
  6. Step 6: Final answer
    x = 402,411.13

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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.