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Finding the Fourth Proportional to 554,672.52, 832,008.84 and 155,372.64

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Solution

The fourth proportional to 554,672.52, 832,008.84 and 155,372.64 is: 233,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,672.52 : 832,008.84 = 155,372.64 : x
  2. Step 2: Convert to fraction form
    554,672.52/832,008.84 = 155,372.64/x
  3. Step 3: Cross multiply
    554,672.52x = 832,008.84 × 155,372.64
  4. Step 4: Simplify right side
    554,672.52x = 129,271,409,974.14
  5. Step 5: Solve for x
    x = 129,271,409,974.14/554,672.52
  6. Step 6: Final answer
    x = 233,058.98

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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.