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Finding the Fourth Proportional to 549,148.50, 824,305.04 and 486,376.13

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Solution

The fourth proportional to 549,148.50, 824,305.04 and 486,376.13 is: 730,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,148.50 : 824,305.04 = 486,376.13 : x
  2. Step 2: Convert to fraction form
    549,148.50/824,305.04 = 486,376.13/x
  3. Step 3: Cross multiply
    549,148.50x = 824,305.04 × 486,376.13
  4. Step 4: Simplify right side
    549,148.50x = 400,922,288,741.29
  5. Step 5: Solve for x
    x = 400,922,288,741.29/549,148.50
  6. Step 6: Final answer
    x = 730,079.91

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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.