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Finding the Fourth Proportional to 318,237.14, 477,288.47 and 93,536.46

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Solution

The fourth proportional to 318,237.14, 477,288.47 and 93,536.46 is: 140,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,237.14 : 477,288.47 = 93,536.46 : x
  2. Step 2: Convert to fraction form
    318,237.14/477,288.47 = 93,536.46/x
  3. Step 3: Cross multiply
    318,237.14x = 477,288.47 × 93,536.46
  4. Step 4: Simplify right side
    318,237.14x = 44,643,873,414.93
  5. Step 5: Solve for x
    x = 44,643,873,414.93/318,237.14
  6. Step 6: Final answer
    x = 140,284.93

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1.5x scale

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.