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Finding the Fourth Proportional to 356,089.60, 534,134.40 and 169,465.60

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Solution

The fourth proportional to 356,089.60, 534,134.40 and 169,465.60 is: 254,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,089.60 : 534,134.40 = 169,465.60 : x
  2. Step 2: Convert to fraction form
    356,089.60/534,134.40 = 169,465.60/x
  3. Step 3: Cross multiply
    356,089.60x = 534,134.40 × 169,465.60
  4. Step 4: Simplify right side
    356,089.60x = 90,517,406,576.64
  5. Step 5: Solve for x
    x = 90,517,406,576.64/356,089.60
  6. Step 6: Final answer
    x = 254,198.40

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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.