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Finding the Fourth Proportional to 549,148.00, 824,304.28 and 486,375.63

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Solution

The fourth proportional to 549,148.00, 824,304.28 and 486,375.63 is: 730,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,148.00 : 824,304.28 = 486,375.63 : x
  2. Step 2: Convert to fraction form
    549,148.00/824,304.28 = 486,375.63/x
  3. Step 3: Cross multiply
    549,148.00x = 824,304.28 × 486,375.63
  4. Step 4: Simplify right side
    549,148.00x = 400,921,509,375.18
  5. Step 5: Solve for x
    x = 400,921,509,375.18/549,148.00
  6. Step 6: Final answer
    x = 730,079.16

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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.