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Finding the Fourth Proportional to 606,437.76, 909,659.92 and 157,127.52

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Solution

The fourth proportional to 606,437.76, 909,659.92 and 157,127.52 is: 235,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,437.76 : 909,659.92 = 157,127.52 : x
  2. Step 2: Convert to fraction form
    606,437.76/909,659.92 = 157,127.52/x
  3. Step 3: Cross multiply
    606,437.76x = 909,659.92 × 157,127.52
  4. Step 4: Simplify right side
    606,437.76x = 142,932,607,273.00
  5. Step 5: Solve for x
    x = 142,932,607,273.00/606,437.76
  6. Step 6: Final answer
    x = 235,692.13

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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.