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Finding the Fourth Proportional to 906,311.10, 1,359,466.65 and 607,712.70

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Solution

The fourth proportional to 906,311.10, 1,359,466.65 and 607,712.70 is: 911,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,311.10 : 1,359,466.65 = 607,712.70 : x
  2. Step 2: Convert to fraction form
    906,311.10/1,359,466.65 = 607,712.70/x
  3. Step 3: Cross multiply
    906,311.10x = 1,359,466.65 × 607,712.70
  4. Step 4: Simplify right side
    906,311.10x = 826,165,148,431.46
  5. Step 5: Solve for x
    x = 826,165,148,431.46/906,311.10
  6. Step 6: Final answer
    x = 911,569.05

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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.