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Finding the Fourth Proportional to 291,809.04, 437,538.60 and 141,753.84

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Solution

The fourth proportional to 291,809.04, 437,538.60 and 141,753.84 is: 212,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,809.04 : 437,538.60 = 141,753.84 : x
  2. Step 2: Convert to fraction form
    291,809.04/437,538.60 = 141,753.84/x
  3. Step 3: Cross multiply
    291,809.04x = 437,538.60 × 141,753.84
  4. Step 4: Simplify right side
    291,809.04x = 62,022,776,698.22
  5. Step 5: Solve for x
    x = 62,022,776,698.22/291,809.04
  6. Step 6: Final answer
    x = 212,545.77

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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.