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Finding the Fourth Proportional to 324,105.71, 487,223.35 and 300,696.10

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Solution

The fourth proportional to 324,105.71, 487,223.35 and 300,696.10 is: 452,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,105.71 : 487,223.35 = 300,696.10 : x
  2. Step 2: Convert to fraction form
    324,105.71/487,223.35 = 300,696.10/x
  3. Step 3: Cross multiply
    324,105.71x = 487,223.35 × 300,696.10
  4. Step 4: Simplify right side
    324,105.71x = 146,506,160,895.55
  5. Step 5: Solve for x
    x = 146,506,160,895.55/324,105.71
  6. Step 6: Final answer
    x = 452,032.03

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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.