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Finding the Fourth Proportional to 990,756.88, 1,367,593.32 and 588,346

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Solution

The fourth proportional to 990,756.88, 1,367,593.32 and 588,346 is: 812,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,756.88 : 1,367,593.32 = 588,346 : x
  2. Step 2: Convert to fraction form
    990,756.88/1,367,593.32 = 588,346/x
  3. Step 3: Cross multiply
    990,756.88x = 1,367,593.32 × 588,346
  4. Step 4: Simplify right side
    990,756.88x = 804,618,059,448.72
  5. Step 5: Solve for x
    x = 804,618,059,448.72/990,756.88
  6. Step 6: Final answer
    x = 812,124.62

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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.