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Finding the Fourth Proportional to 551,426.10, 827,139.15 and 462,852.60

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Solution

The fourth proportional to 551,426.10, 827,139.15 and 462,852.60 is: 694,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,426.10 : 827,139.15 = 462,852.60 : x
  2. Step 2: Convert to fraction form
    551,426.10/827,139.15 = 462,852.60/x
  3. Step 3: Cross multiply
    551,426.10x = 827,139.15 × 462,852.60
  4. Step 4: Simplify right side
    551,426.10x = 382,843,506,139.29
  5. Step 5: Solve for x
    x = 382,843,506,139.29/551,426.10
  6. Step 6: Final answer
    x = 694,278.90

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Similar ratio
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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.