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Finding the Fourth Proportional to 318,341.28, 477,460.01 and 93,649.19

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Solution

The fourth proportional to 318,341.28, 477,460.01 and 93,649.19 is: 140,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,341.28 : 477,460.01 = 93,649.19 : x
  2. Step 2: Convert to fraction form
    318,341.28/477,460.01 = 93,649.19/x
  3. Step 3: Cross multiply
    318,341.28x = 477,460.01 × 93,649.19
  4. Step 4: Simplify right side
    318,341.28x = 44,713,741,040.71
  5. Step 5: Solve for x
    x = 44,713,741,040.71/318,341.28
  6. Step 6: Final answer
    x = 140,458.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.