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Finding the Fourth Proportional to 546,649.61, 820,211.24 and 293,634.90

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Solution

The fourth proportional to 546,649.61, 820,211.24 and 293,634.90 is: 440,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,649.61 : 820,211.24 = 293,634.90 : x
  2. Step 2: Convert to fraction form
    546,649.61/820,211.24 = 293,634.90/x
  3. Step 3: Cross multiply
    546,649.61x = 820,211.24 × 293,634.90
  4. Step 4: Simplify right side
    546,649.61x = 240,842,643,037.67
  5. Step 5: Solve for x
    x = 240,842,643,037.67/546,649.61
  6. Step 6: Final answer
    x = 440,579.56

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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.