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Finding the Fourth Proportional to 635,847.92, 949,656.10 and 575,756.40

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Solution

The fourth proportional to 635,847.92, 949,656.10 and 575,756.40 is: 859,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,847.92 : 949,656.10 = 575,756.40 : x
  2. Step 2: Convert to fraction form
    635,847.92/949,656.10 = 575,756.40/x
  3. Step 3: Cross multiply
    635,847.92x = 949,656.10 × 575,756.40
  4. Step 4: Simplify right side
    635,847.92x = 546,770,577,374.04
  5. Step 5: Solve for x
    x = 546,770,577,374.04/635,847.92
  6. Step 6: Final answer
    x = 859,907.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.