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Finding the Fourth Proportional to 575,841.52, 794,656.03 and 317,720.84

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Solution

The fourth proportional to 575,841.52, 794,656.03 and 317,720.84 is: 438,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,841.52 : 794,656.03 = 317,720.84 : x
  2. Step 2: Convert to fraction form
    575,841.52/794,656.03 = 317,720.84/x
  3. Step 3: Cross multiply
    575,841.52x = 794,656.03 × 317,720.84
  4. Step 4: Simplify right side
    575,841.52x = 252,478,781,362.67
  5. Step 5: Solve for x
    x = 252,478,781,362.67/575,841.52
  6. Step 6: Final answer
    x = 438,451.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.