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Finding the Fourth Proportional to 329,366.58, 454,275.05 and 283,504.25

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Solution

The fourth proportional to 329,366.58, 454,275.05 and 283,504.25 is: 391,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,366.58 : 454,275.05 = 283,504.25 : x
  2. Step 2: Convert to fraction form
    329,366.58/454,275.05 = 283,504.25/x
  3. Step 3: Cross multiply
    329,366.58x = 454,275.05 × 283,504.25
  4. Step 4: Simplify right side
    329,366.58x = 128,788,903,655.07
  5. Step 5: Solve for x
    x = 128,788,903,655.07/329,366.58
  6. Step 6: Final answer
    x = 391,019.95

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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.