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Finding the Fourth Proportional to 549,124.60, 822,074.10 and 409,502.20

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Solution

The fourth proportional to 549,124.60, 822,074.10 and 409,502.20 is: 613,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,124.60 : 822,074.10 = 409,502.20 : x
  2. Step 2: Convert to fraction form
    549,124.60/822,074.10 = 409,502.20/x
  3. Step 3: Cross multiply
    549,124.60x = 822,074.10 × 409,502.20
  4. Step 4: Simplify right side
    549,124.60x = 336,641,152,513.02
  5. Step 5: Solve for x
    x = 336,641,152,513.02/549,124.60
  6. Step 6: Final answer
    x = 613,050.58

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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.