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Finding the Fourth Proportional to 424,348.80, 585,616.75 and 243,095.76

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Solution

The fourth proportional to 424,348.80, 585,616.75 and 243,095.76 is: 335,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,348.80 : 585,616.75 = 243,095.76 : x
  2. Step 2: Convert to fraction form
    424,348.80/585,616.75 = 243,095.76/x
  3. Step 3: Cross multiply
    424,348.80x = 585,616.75 × 243,095.76
  4. Step 4: Simplify right side
    424,348.80x = 142,360,950,498.30
  5. Step 5: Solve for x
    x = 142,360,950,498.30/424,348.80
  6. Step 6: Final answer
    x = 335,480.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.