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Finding the Fourth Proportional to 437,483.65, 656,280.15 and 171,209.74

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Solution

The fourth proportional to 437,483.65, 656,280.15 and 171,209.74 is: 256,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,483.65 : 656,280.15 = 171,209.74 : x
  2. Step 2: Convert to fraction form
    437,483.65/656,280.15 = 171,209.74/x
  3. Step 3: Cross multiply
    437,483.65x = 656,280.15 × 171,209.74
  4. Step 4: Simplify right side
    437,483.65x = 112,361,553,848.66
  5. Step 5: Solve for x
    x = 112,361,553,848.66/437,483.65
  6. Step 6: Final answer
    x = 256,836.01

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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.