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Finding the Fourth Proportional to 528,048.20, 791,877.90 and 173,073.80

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Solution

The fourth proportional to 528,048.20, 791,877.90 and 173,073.80 is: 259,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,048.20 : 791,877.90 = 173,073.80 : x
  2. Step 2: Convert to fraction form
    528,048.20/791,877.90 = 173,073.80/x
  3. Step 3: Cross multiply
    528,048.20x = 791,877.90 × 173,073.80
  4. Step 4: Simplify right side
    528,048.20x = 137,053,317,289.02
  5. Step 5: Solve for x
    x = 137,053,317,289.02/528,048.20
  6. Step 6: Final answer
    x = 259,546.98

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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.