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Finding the Fourth Proportional to 652,751.52, 979,135.92 and 253,415.04

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Solution

The fourth proportional to 652,751.52, 979,135.92 and 253,415.04 is: 380,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,751.52 : 979,135.92 = 253,415.04 : x
  2. Step 2: Convert to fraction form
    652,751.52/979,135.92 = 253,415.04/x
  3. Step 3: Cross multiply
    652,751.52x = 979,135.92 × 253,415.04
  4. Step 4: Simplify right side
    652,751.52x = 248,127,768,332.24
  5. Step 5: Solve for x
    x = 248,127,768,332.24/652,751.52
  6. Step 6: Final answer
    x = 380,125.91

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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.