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Finding the Fourth Proportional to 486,248.40, 670,569.84 and 322,616.52

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Solution

The fourth proportional to 486,248.40, 670,569.84 and 322,616.52 is: 444,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,248.40 : 670,569.84 = 322,616.52 : x
  2. Step 2: Convert to fraction form
    486,248.40/670,569.84 = 322,616.52/x
  3. Step 3: Cross multiply
    486,248.40x = 670,569.84 × 322,616.52
  4. Step 4: Simplify right side
    486,248.40x = 216,336,908,197.76
  5. Step 5: Solve for x
    x = 216,336,908,197.76/486,248.40
  6. Step 6: Final answer
    x = 444,910.27

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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.