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Finding the Fourth Proportional to 611,464.20, 843,844.87 and 353,332.59

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Solution

The fourth proportional to 611,464.20, 843,844.87 and 353,332.59 is: 487,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,464.20 : 843,844.87 = 353,332.59 : x
  2. Step 2: Convert to fraction form
    611,464.20/843,844.87 = 353,332.59/x
  3. Step 3: Cross multiply
    611,464.20x = 843,844.87 × 353,332.59
  4. Step 4: Simplify right side
    611,464.20x = 298,157,893,475.31
  5. Step 5: Solve for x
    x = 298,157,893,475.31/611,464.20
  6. Step 6: Final answer
    x = 487,613.00

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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.