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Finding the Fourth Proportional to 458,281.40, 632,286.61 and 267,159.47

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Solution

The fourth proportional to 458,281.40, 632,286.61 and 267,159.47 is: 368,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,281.40 : 632,286.61 = 267,159.47 : x
  2. Step 2: Convert to fraction form
    458,281.40/632,286.61 = 267,159.47/x
  3. Step 3: Cross multiply
    458,281.40x = 632,286.61 × 267,159.47
  4. Step 4: Simplify right side
    458,281.40x = 168,921,351,786.37
  5. Step 5: Solve for x
    x = 168,921,351,786.37/458,281.40
  6. Step 6: Final answer
    x = 368,597.45

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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.