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Finding the Fourth Proportional to 528,073.40, 792,110.10 and 173,123.30

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Solution

The fourth proportional to 528,073.40, 792,110.10 and 173,123.30 is: 259,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,073.40 : 792,110.10 = 173,123.30 : x
  2. Step 2: Convert to fraction form
    528,073.40/792,110.10 = 173,123.30/x
  3. Step 3: Cross multiply
    528,073.40x = 792,110.10 × 173,123.30
  4. Step 4: Simplify right side
    528,073.40x = 137,132,714,475.33
  5. Step 5: Solve for x
    x = 137,132,714,475.33/528,073.40
  6. Step 6: Final answer
    x = 259,684.95

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Similar ratio
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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.