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Finding the Fourth Proportional to 369,805.41, 510,169.38 and 216,766.02

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Solution

The fourth proportional to 369,805.41, 510,169.38 and 216,766.02 is: 299,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,805.41 : 510,169.38 = 216,766.02 : x
  2. Step 2: Convert to fraction form
    369,805.41/510,169.38 = 216,766.02/x
  3. Step 3: Cross multiply
    369,805.41x = 510,169.38 × 216,766.02
  4. Step 4: Simplify right side
    369,805.41x = 110,587,386,028.47
  5. Step 5: Solve for x
    x = 110,587,386,028.47/369,805.41
  6. Step 6: Final answer
    x = 299,042.10

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1.5x scale

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.