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Finding the Fourth Proportional to 657,094.72, 906,789.48 and 370,613.92

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Solution

The fourth proportional to 657,094.72, 906,789.48 and 370,613.92 is: 511,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,094.72 : 906,789.48 = 370,613.92 : x
  2. Step 2: Convert to fraction form
    657,094.72/906,789.48 = 370,613.92/x
  3. Step 3: Cross multiply
    657,094.72x = 906,789.48 × 370,613.92
  4. Step 4: Simplify right side
    657,094.72x = 336,068,803,797.56
  5. Step 5: Solve for x
    x = 336,068,803,797.56/657,094.72
  6. Step 6: Final answer
    x = 511,446.51

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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.