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Finding the Fourth Proportional to 551,430.10, 827,145.15 and 462,856.60

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Solution

The fourth proportional to 551,430.10, 827,145.15 and 462,856.60 is: 694,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,430.10 : 827,145.15 = 462,856.60 : x
  2. Step 2: Convert to fraction form
    551,430.10/827,145.15 = 462,856.60/x
  3. Step 3: Cross multiply
    551,430.10x = 827,145.15 × 462,856.60
  4. Step 4: Simplify right side
    551,430.10x = 382,849,591,835.49
  5. Step 5: Solve for x
    x = 382,849,591,835.49/551,430.10
  6. Step 6: Final answer
    x = 694,284.90

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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.