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Finding the Fourth Proportional to 371,858.72, 558,017.04 and 147,180.92

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Solution

The fourth proportional to 371,858.72, 558,017.04 and 147,180.92 is: 220,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,858.72 : 558,017.04 = 147,180.92 : x
  2. Step 2: Convert to fraction form
    371,858.72/558,017.04 = 147,180.92/x
  3. Step 3: Cross multiply
    371,858.72x = 558,017.04 × 147,180.92
  4. Step 4: Simplify right side
    371,858.72x = 82,129,461,322.88
  5. Step 5: Solve for x
    x = 82,129,461,322.88/371,858.72
  6. Step 6: Final answer
    x = 220,862.00

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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.