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Finding the Fourth Proportional to 474,699.72, 655,086.60 and 259,853.52

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Solution

The fourth proportional to 474,699.72, 655,086.60 and 259,853.52 is: 358,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,699.72 : 655,086.60 = 259,853.52 : x
  2. Step 2: Convert to fraction form
    474,699.72/655,086.60 = 259,853.52/x
  3. Step 3: Cross multiply
    474,699.72x = 655,086.60 × 259,853.52
  4. Step 4: Simplify right side
    474,699.72x = 170,226,558,914.83
  5. Step 5: Solve for x
    x = 170,226,558,914.83/474,699.72
  6. Step 6: Final answer
    x = 358,598.40

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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.