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Finding the Fourth Proportional to 467,353.45, 700,013.20 and 307,248.65

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Solution

The fourth proportional to 467,353.45, 700,013.20 and 307,248.65 is: 460,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,353.45 : 700,013.20 = 307,248.65 : x
  2. Step 2: Convert to fraction form
    467,353.45/700,013.20 = 307,248.65/x
  3. Step 3: Cross multiply
    467,353.45x = 700,013.20 × 307,248.65
  4. Step 4: Simplify right side
    467,353.45x = 215,078,110,682.18
  5. Step 5: Solve for x
    x = 215,078,110,682.18/467,353.45
  6. Step 6: Final answer
    x = 460,204.39

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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.