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Finding the Fourth Proportional to 288,231.70, 432,833.55 and 240,798.10

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Solution

The fourth proportional to 288,231.70, 432,833.55 and 240,798.10 is: 361,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,231.70 : 432,833.55 = 240,798.10 : x
  2. Step 2: Convert to fraction form
    288,231.70/432,833.55 = 240,798.10/x
  3. Step 3: Cross multiply
    288,231.70x = 432,833.55 × 240,798.10
  4. Step 4: Simplify right side
    288,231.70x = 104,225,496,456.26
  5. Step 5: Solve for x
    x = 104,225,496,456.26/288,231.70
  6. Step 6: Final answer
    x = 361,603.17

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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.