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Finding the Fourth Proportional to 441,022.12, 660,698.46 and 260,567.89

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Solution

The fourth proportional to 441,022.12, 660,698.46 and 260,567.89 is: 390,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,022.12 : 660,698.46 = 260,567.89 : x
  2. Step 2: Convert to fraction form
    441,022.12/660,698.46 = 260,567.89/x
  3. Step 3: Cross multiply
    441,022.12x = 660,698.46 × 260,567.89
  4. Step 4: Simplify right side
    441,022.12x = 172,156,803,648.45
  5. Step 5: Solve for x
    x = 172,156,803,648.45/441,022.12
  6. Step 6: Final answer
    x = 390,358.66

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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.