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Finding the Fourth Proportional to 474,267.95, 654,494.85 and 259,403.40

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Solution

The fourth proportional to 474,267.95, 654,494.85 and 259,403.40 is: 357,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,267.95 : 654,494.85 = 259,403.40 : x
  2. Step 2: Convert to fraction form
    474,267.95/654,494.85 = 259,403.40/x
  3. Step 3: Cross multiply
    474,267.95x = 654,494.85 × 259,403.40
  4. Step 4: Simplify right side
    474,267.95x = 169,778,189,372.49
  5. Step 5: Solve for x
    x = 169,778,189,372.49/474,267.95
  6. Step 6: Final answer
    x = 357,979.47

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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.