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Finding the Fourth Proportional to 377,671.60, 566,084.58 and 289,287.64

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Solution

The fourth proportional to 377,671.60, 566,084.58 and 289,287.64 is: 433,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,671.60 : 566,084.58 = 289,287.64 : x
  2. Step 2: Convert to fraction form
    377,671.60/566,084.58 = 289,287.64/x
  3. Step 3: Cross multiply
    377,671.60x = 566,084.58 × 289,287.64
  4. Step 4: Simplify right side
    377,671.60x = 163,761,272,188.59
  5. Step 5: Solve for x
    x = 163,761,272,188.59/377,671.60
  6. Step 6: Final answer
    x = 433,607.59

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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.