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Finding the Fourth Proportional to 474,290.91, 654,507.54 and 259,426.33

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Solution

The fourth proportional to 474,290.91, 654,507.54 and 259,426.33 is: 358,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,290.91 : 654,507.54 = 259,426.33 : x
  2. Step 2: Convert to fraction form
    474,290.91/654,507.54 = 259,426.33/x
  3. Step 3: Cross multiply
    474,290.91x = 654,507.54 × 259,426.33
  4. Step 4: Simplify right side
    474,290.91x = 169,796,487,423.26
  5. Step 5: Solve for x
    x = 169,796,487,423.26/474,290.91
  6. Step 6: Final answer
    x = 358,000.72

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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.