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Finding the Fourth Proportional to 528,465.98, 792,781.56 and 173,399.24

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Solution

The fourth proportional to 528,465.98, 792,781.56 and 173,399.24 is: 260,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,465.98 : 792,781.56 = 173,399.24 : x
  2. Step 2: Convert to fraction form
    528,465.98/792,781.56 = 173,399.24/x
  3. Step 3: Cross multiply
    528,465.98x = 792,781.56 × 173,399.24
  4. Step 4: Simplify right side
    528,465.98x = 137,467,719,990.01
  5. Step 5: Solve for x
    x = 137,467,719,990.01/528,465.98
  6. Step 6: Final answer
    x = 260,125.96

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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.