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Finding the Fourth Proportional to 528,073.10, 792,109.65 and 173,098.70

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Solution

The fourth proportional to 528,073.10, 792,109.65 and 173,098.70 is: 259,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,073.10 : 792,109.65 = 173,098.70 : x
  2. Step 2: Convert to fraction form
    528,073.10/792,109.65 = 173,098.70/x
  3. Step 3: Cross multiply
    528,073.10x = 792,109.65 × 173,098.70
  4. Step 4: Simplify right side
    528,073.10x = 137,113,150,672.46
  5. Step 5: Solve for x
    x = 137,113,150,672.46/528,073.10
  6. Step 6: Final answer
    x = 259,648.05

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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.