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Finding the Fourth Proportional to 528,158.13, 792,281.51 and 168,380.09

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Solution

The fourth proportional to 528,158.13, 792,281.51 and 168,380.09 is: 252,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,158.13 : 792,281.51 = 168,380.09 : x
  2. Step 2: Convert to fraction form
    528,158.13/792,281.51 = 168,380.09/x
  3. Step 3: Cross multiply
    528,158.13x = 792,281.51 × 168,380.09
  4. Step 4: Simplify right side
    528,158.13x = 133,404,427,155.83
  5. Step 5: Solve for x
    x = 133,404,427,155.83/528,158.13
  6. Step 6: Final answer
    x = 252,584.25

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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.