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Finding the Fourth Proportional to 549,336.30, 824,004.45 and 545,837.10

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Solution

The fourth proportional to 549,336.30, 824,004.45 and 545,837.10 is: 818,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,336.30 : 824,004.45 = 545,837.10 : x
  2. Step 2: Convert to fraction form
    549,336.30/824,004.45 = 545,837.10/x
  3. Step 3: Cross multiply
    549,336.30x = 824,004.45 × 545,837.10
  4. Step 4: Simplify right side
    549,336.30x = 449,772,199,375.10
  5. Step 5: Solve for x
    x = 449,772,199,375.10/549,336.30
  6. Step 6: Final answer
    x = 818,755.65

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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.