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Finding the Fourth Proportional to 558,291.84, 833,656.15 and 443,147.82

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Solution

The fourth proportional to 558,291.84, 833,656.15 and 443,147.82 is: 661,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,291.84 : 833,656.15 = 443,147.82 : x
  2. Step 2: Convert to fraction form
    558,291.84/833,656.15 = 443,147.82/x
  3. Step 3: Cross multiply
    558,291.84x = 833,656.15 × 443,147.82
  4. Step 4: Simplify right side
    558,291.84x = 369,432,906,544.16
  5. Step 5: Solve for x
    x = 369,432,906,544.16/558,291.84
  6. Step 6: Final answer
    x = 661,720.06

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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.