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Finding the Fourth Proportional to 533,808.57, 736,655.84 and 292,091.15

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Solution

The fourth proportional to 533,808.57, 736,655.84 and 292,091.15 is: 403,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,808.57 : 736,655.84 = 292,091.15 : x
  2. Step 2: Convert to fraction form
    533,808.57/736,655.84 = 292,091.15/x
  3. Step 3: Cross multiply
    533,808.57x = 736,655.84 × 292,091.15
  4. Step 4: Simplify right side
    533,808.57x = 215,170,646,316.08
  5. Step 5: Solve for x
    x = 215,170,646,316.08/533,808.57
  6. Step 6: Final answer
    x = 403,085.78

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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.