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Finding the Fourth Proportional to 329,377.58, 454,290.22 and 283,515.25

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Solution

The fourth proportional to 329,377.58, 454,290.22 and 283,515.25 is: 391,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,377.58 : 454,290.22 = 283,515.25 : x
  2. Step 2: Convert to fraction form
    329,377.58/454,290.22 = 283,515.25/x
  3. Step 3: Cross multiply
    329,377.58x = 454,290.22 × 283,515.25
  4. Step 4: Simplify right side
    329,377.58x = 128,798,205,295.86
  5. Step 5: Solve for x
    x = 128,798,205,295.86/329,377.58
  6. Step 6: Final answer
    x = 391,035.13

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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.