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Finding the Fourth Proportional to 537,633.60, 805,672.80 and 237,868.80

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Solution

The fourth proportional to 537,633.60, 805,672.80 and 237,868.80 is: 356,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,633.60 : 805,672.80 = 237,868.80 : x
  2. Step 2: Convert to fraction form
    537,633.60/805,672.80 = 237,868.80/x
  3. Step 3: Cross multiply
    537,633.60x = 805,672.80 × 237,868.80
  4. Step 4: Simplify right side
    537,633.60x = 191,644,422,128.64
  5. Step 5: Solve for x
    x = 191,644,422,128.64/537,633.60
  6. Step 6: Final answer
    x = 356,459.16

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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.