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Finding the Fourth Proportional to 906,820.10, 1,360,230.15 and 275,732.90

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Solution

The fourth proportional to 906,820.10, 1,360,230.15 and 275,732.90 is: 413,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,820.10 : 1,360,230.15 = 275,732.90 : x
  2. Step 2: Convert to fraction form
    906,820.10/1,360,230.15 = 275,732.90/x
  3. Step 3: Cross multiply
    906,820.10x = 1,360,230.15 × 275,732.90
  4. Step 4: Simplify right side
    906,820.10x = 375,060,203,926.94
  5. Step 5: Solve for x
    x = 375,060,203,926.94/906,820.10
  6. Step 6: Final answer
    x = 413,599.35

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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.