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Finding the Fourth Proportional to 609,310.30, 914,123.13 and 356,804.14

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Solution

The fourth proportional to 609,310.30, 914,123.13 and 356,804.14 is: 535,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,310.30 : 914,123.13 = 356,804.14 : x
  2. Step 2: Convert to fraction form
    609,310.30/914,123.13 = 356,804.14/x
  3. Step 3: Cross multiply
    609,310.30x = 914,123.13 × 356,804.14
  4. Step 4: Simplify right side
    609,310.30x = 326,162,917,253.76
  5. Step 5: Solve for x
    x = 326,162,917,253.76/609,310.30
  6. Step 6: Final answer
    x = 535,298.55

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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.