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Finding the Fourth Proportional to 549,020.20, 822,874.20 and 282,643.60

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Solution

The fourth proportional to 549,020.20, 822,874.20 and 282,643.60 is: 423,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,020.20 : 822,874.20 = 282,643.60 : x
  2. Step 2: Convert to fraction form
    549,020.20/822,874.20 = 282,643.60/x
  3. Step 3: Cross multiply
    549,020.20x = 822,874.20 × 282,643.60
  4. Step 4: Simplify right side
    549,020.20x = 232,580,126,235.12
  5. Step 5: Solve for x
    x = 232,580,126,235.12/549,020.20
  6. Step 6: Final answer
    x = 423,627.63

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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.