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Finding the Fourth Proportional to 546,853.68, 820,275.60 and 172,876.80

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Solution

The fourth proportional to 546,853.68, 820,275.60 and 172,876.80 is: 259,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,853.68 : 820,275.60 = 172,876.80 : x
  2. Step 2: Convert to fraction form
    546,853.68/820,275.60 = 172,876.80/x
  3. Step 3: Cross multiply
    546,853.68x = 820,275.60 × 172,876.80
  4. Step 4: Simplify right side
    546,853.68x = 141,806,620,846.08
  5. Step 5: Solve for x
    x = 141,806,620,846.08/546,853.68
  6. Step 6: Final answer
    x = 259,313.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.