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Finding the Fourth Proportional to 356,445.92, 534,788.17 and 116,570.90

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Solution

The fourth proportional to 356,445.92, 534,788.17 and 116,570.90 is: 174,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,445.92 : 534,788.17 = 116,570.90 : x
  2. Step 2: Convert to fraction form
    356,445.92/534,788.17 = 116,570.90/x
  3. Step 3: Cross multiply
    356,445.92x = 534,788.17 × 116,570.90
  4. Step 4: Simplify right side
    356,445.92x = 62,340,736,979.32
  5. Step 5: Solve for x
    x = 62,340,736,979.32/356,445.92
  6. Step 6: Final answer
    x = 174,895.36

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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.