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Finding the Fourth Proportional to 474,434.17, 654,654.50 and 283,407.01

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Solution

The fourth proportional to 474,434.17, 654,654.50 and 283,407.01 is: 391,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,434.17 : 654,654.50 = 283,407.01 : x
  2. Step 2: Convert to fraction form
    474,434.17/654,654.50 = 283,407.01/x
  3. Step 3: Cross multiply
    474,434.17x = 654,654.50 × 283,407.01
  4. Step 4: Simplify right side
    474,434.17x = 185,533,673,011.01
  5. Step 5: Solve for x
    x = 185,533,673,011.01/474,434.17
  6. Step 6: Final answer
    x = 391,063.05

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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.