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Finding the Fourth Proportional to 356,295.60, 534,443.40 and 169,671.60

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Solution

The fourth proportional to 356,295.60, 534,443.40 and 169,671.60 is: 254,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,295.60 : 534,443.40 = 169,671.60 : x
  2. Step 2: Convert to fraction form
    356,295.60/534,443.40 = 169,671.60/x
  3. Step 3: Cross multiply
    356,295.60x = 534,443.40 × 169,671.60
  4. Step 4: Simplify right side
    356,295.60x = 90,679,866,787.44
  5. Step 5: Solve for x
    x = 90,679,866,787.44/356,295.60
  6. Step 6: Final answer
    x = 254,507.40

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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.