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Finding the Fourth Proportional to 632,353.41, 872,668.44 and 345,873.47

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Solution

The fourth proportional to 632,353.41, 872,668.44 and 345,873.47 is: 477,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,353.41 : 872,668.44 = 345,873.47 : x
  2. Step 2: Convert to fraction form
    632,353.41/872,668.44 = 345,873.47/x
  3. Step 3: Cross multiply
    632,353.41x = 872,668.44 × 345,873.47
  4. Step 4: Simplify right side
    632,353.41x = 301,832,857,138.95
  5. Step 5: Solve for x
    x = 301,832,857,138.95/632,353.41
  6. Step 6: Final answer
    x = 477,316.72

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1.5x scale

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.