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Finding the Fourth Proportional to 528,817.60, 793,226.40 and 173,843.20

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Solution

The fourth proportional to 528,817.60, 793,226.40 and 173,843.20 is: 260,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,817.60 : 793,226.40 = 173,843.20 : x
  2. Step 2: Convert to fraction form
    528,817.60/793,226.40 = 173,843.20/x
  3. Step 3: Cross multiply
    528,817.60x = 793,226.40 × 173,843.20
  4. Step 4: Simplify right side
    528,817.60x = 137,897,015,700.48
  5. Step 5: Solve for x
    x = 137,897,015,700.48/528,817.60
  6. Step 6: Final answer
    x = 260,764.80

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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.