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Finding the Fourth Proportional to 318,367.22, 477,386.46 and 93,698.46

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Solution

The fourth proportional to 318,367.22, 477,386.46 and 93,698.46 is: 140,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,367.22 : 477,386.46 = 93,698.46 : x
  2. Step 2: Convert to fraction form
    318,367.22/477,386.46 = 93,698.46/x
  3. Step 3: Cross multiply
    318,367.22x = 477,386.46 × 93,698.46
  4. Step 4: Simplify right side
    318,367.22x = 44,730,376,126.85
  5. Step 5: Solve for x
    x = 44,730,376,126.85/318,367.22
  6. Step 6: Final answer
    x = 140,499.31

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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.