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Finding the Fourth Proportional to 458,306.01, 632,538.34 and 267,319.45

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Solution

The fourth proportional to 458,306.01, 632,538.34 and 267,319.45 is: 368,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,306.01 : 632,538.34 = 267,319.45 : x
  2. Step 2: Convert to fraction form
    458,306.01/632,538.34 = 267,319.45/x
  3. Step 3: Cross multiply
    458,306.01x = 632,538.34 × 267,319.45
  4. Step 4: Simplify right side
    458,306.01x = 169,089,801,152.71
  5. Step 5: Solve for x
    x = 169,089,801,152.71/458,306.01
  6. Step 6: Final answer
    x = 368,945.20

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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.