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Finding the Fourth Proportional to 637,458.80, 955,965.36 and 188,060.40

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Solution

The fourth proportional to 637,458.80, 955,965.36 and 188,060.40 is: 282,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,458.80 : 955,965.36 = 188,060.40 : x
  2. Step 2: Convert to fraction form
    637,458.80/955,965.36 = 188,060.40/x
  3. Step 3: Cross multiply
    637,458.80x = 955,965.36 × 188,060.40
  4. Step 4: Simplify right side
    637,458.80x = 179,779,227,987.74
  5. Step 5: Solve for x
    x = 179,779,227,987.74/637,458.80
  6. Step 6: Final answer
    x = 282,024.86

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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.