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Finding the Fourth Proportional to 474,437.16, 654,717.45 and 259,574.13

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Solution

The fourth proportional to 474,437.16, 654,717.45 and 259,574.13 is: 358,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,437.16 : 654,717.45 = 259,574.13 : x
  2. Step 2: Convert to fraction form
    474,437.16/654,717.45 = 259,574.13/x
  3. Step 3: Cross multiply
    474,437.16x = 654,717.45 × 259,574.13
  4. Step 4: Simplify right side
    474,437.16x = 169,947,712,479.57
  5. Step 5: Solve for x
    x = 169,947,712,479.57/474,437.16
  6. Step 6: Final answer
    x = 358,209.11

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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.