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Finding the Fourth Proportional to 372,036.72, 557,727.63 and 147,554.76

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Solution

The fourth proportional to 372,036.72, 557,727.63 and 147,554.76 is: 221,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,036.72 : 557,727.63 = 147,554.76 : x
  2. Step 2: Convert to fraction form
    372,036.72/557,727.63 = 147,554.76/x
  3. Step 3: Cross multiply
    372,036.72x = 557,727.63 × 147,554.76
  4. Step 4: Simplify right side
    372,036.72x = 82,295,366,590.02
  5. Step 5: Solve for x
    x = 82,295,366,590.02/372,036.72
  6. Step 6: Final answer
    x = 221,202.27

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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.