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Finding the Fourth Proportional to 363,097.91, 544,554.23 and 257,473.91

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Solution

The fourth proportional to 363,097.91, 544,554.23 and 257,473.91 is: 386,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,097.91 : 544,554.23 = 257,473.91 : x
  2. Step 2: Convert to fraction form
    363,097.91/544,554.23 = 257,473.91/x
  3. Step 3: Cross multiply
    363,097.91x = 544,554.23 × 257,473.91
  4. Step 4: Simplify right side
    363,097.91x = 140,208,506,879.16
  5. Step 5: Solve for x
    x = 140,208,506,879.16/363,097.91
  6. Step 6: Final answer
    x = 386,145.17

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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.