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Finding the Fourth Proportional to 356,155.60, 534,233.40 and 169,531.60

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Solution

The fourth proportional to 356,155.60, 534,233.40 and 169,531.60 is: 254,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,155.60 : 534,233.40 = 169,531.60 : x
  2. Step 2: Convert to fraction form
    356,155.60/534,233.40 = 169,531.60/x
  3. Step 3: Cross multiply
    356,155.60x = 534,233.40 × 169,531.60
  4. Step 4: Simplify right side
    356,155.60x = 90,569,443,075.44
  5. Step 5: Solve for x
    x = 90,569,443,075.44/356,155.60
  6. Step 6: Final answer
    x = 254,297.40

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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.