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Finding the Fourth Proportional to 528,034.70, 791,857.65 and 173,060.30

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Solution

The fourth proportional to 528,034.70, 791,857.65 and 173,060.30 is: 259,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,034.70 : 791,857.65 = 173,060.30 : x
  2. Step 2: Convert to fraction form
    528,034.70/791,857.65 = 173,060.30/x
  3. Step 3: Cross multiply
    528,034.70x = 791,857.65 × 173,060.30
  4. Step 4: Simplify right side
    528,034.70x = 137,039,122,466.30
  5. Step 5: Solve for x
    x = 137,039,122,466.30/528,034.70
  6. Step 6: Final answer
    x = 259,526.74

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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.