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Finding the Fourth Proportional to 527,279.34, 791,053.74 and 153,302.34

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Solution

The fourth proportional to 527,279.34, 791,053.74 and 153,302.34 is: 229,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,279.34 : 791,053.74 = 153,302.34 : x
  2. Step 2: Convert to fraction form
    527,279.34/791,053.74 = 153,302.34/x
  3. Step 3: Cross multiply
    527,279.34x = 791,053.74 × 153,302.34
  4. Step 4: Simplify right side
    527,279.34x = 121,270,389,407.75
  5. Step 5: Solve for x
    x = 121,270,389,407.75/527,279.34
  6. Step 6: Final answer
    x = 229,992.68

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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.