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Finding the Fourth Proportional to 437,553.60, 656,848.80 and 434,443.20

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Solution

The fourth proportional to 437,553.60, 656,848.80 and 434,443.20 is: 652,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,553.60 : 656,848.80 = 434,443.20 : x
  2. Step 2: Convert to fraction form
    437,553.60/656,848.80 = 434,443.20/x
  3. Step 3: Cross multiply
    437,553.60x = 656,848.80 × 434,443.20
  4. Step 4: Simplify right side
    437,553.60x = 285,363,494,588.16
  5. Step 5: Solve for x
    x = 285,363,494,588.16/437,553.60
  6. Step 6: Final answer
    x = 652,179.51

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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.