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Finding the Fourth Proportional to 551,439.40, 827,159.10 and 362,482.60

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Solution

The fourth proportional to 551,439.40, 827,159.10 and 362,482.60 is: 543,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,439.40 : 827,159.10 = 362,482.60 : x
  2. Step 2: Convert to fraction form
    551,439.40/827,159.10 = 362,482.60/x
  3. Step 3: Cross multiply
    551,439.40x = 827,159.10 × 362,482.60
  4. Step 4: Simplify right side
    551,439.40x = 299,830,781,181.66
  5. Step 5: Solve for x
    x = 299,830,781,181.66/551,439.40
  6. Step 6: Final answer
    x = 543,723.90

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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.