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Finding the Fourth Proportional to 437,600.40, 656,342.28 and 122,030.88

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Solution

The fourth proportional to 437,600.40, 656,342.28 and 122,030.88 is: 183,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,600.40 : 656,342.28 = 122,030.88 : x
  2. Step 2: Convert to fraction form
    437,600.40/656,342.28 = 122,030.88/x
  3. Step 3: Cross multiply
    437,600.40x = 656,342.28 × 122,030.88
  4. Step 4: Simplify right side
    437,600.40x = 80,094,026,009.61
  5. Step 5: Solve for x
    x = 80,094,026,009.61/437,600.40
  6. Step 6: Final answer
    x = 183,030.06

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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.