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Finding the Fourth Proportional to 303,140.68, 418,414.82 and 179,070.35

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Solution

The fourth proportional to 303,140.68, 418,414.82 and 179,070.35 is: 247,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,140.68 : 418,414.82 = 179,070.35 : x
  2. Step 2: Convert to fraction form
    303,140.68/418,414.82 = 179,070.35/x
  3. Step 3: Cross multiply
    303,140.68x = 418,414.82 × 179,070.35
  4. Step 4: Simplify right side
    303,140.68x = 74,925,685,275.16
  5. Step 5: Solve for x
    x = 74,925,685,275.16/303,140.68
  6. Step 6: Final answer
    x = 247,164.74

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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.