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Finding the Fourth Proportional to 291,525.60, 437,482.80 and 133,672.80

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Solution

The fourth proportional to 291,525.60, 437,482.80 and 133,672.80 is: 200,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,525.60 : 437,482.80 = 133,672.80 : x
  2. Step 2: Convert to fraction form
    291,525.60/437,482.80 = 133,672.80/x
  3. Step 3: Cross multiply
    291,525.60x = 437,482.80 × 133,672.80
  4. Step 4: Simplify right side
    291,525.60x = 58,479,550,827.84
  5. Step 5: Solve for x
    x = 58,479,550,827.84/291,525.60
  6. Step 6: Final answer
    x = 200,598.34

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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.