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Finding the Fourth Proportional to 361,590.59, 542,390.52 and 249,240.65

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Solution

The fourth proportional to 361,590.59, 542,390.52 and 249,240.65 is: 373,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,590.59 : 542,390.52 = 249,240.65 : x
  2. Step 2: Convert to fraction form
    361,590.59/542,390.52 = 249,240.65/x
  3. Step 3: Cross multiply
    361,590.59x = 542,390.52 × 249,240.65
  4. Step 4: Simplify right side
    361,590.59x = 135,185,765,758.64
  5. Step 5: Solve for x
    x = 135,185,765,758.64/361,590.59
  6. Step 6: Final answer
    x = 373,864.17

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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.