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Finding the Fourth Proportional to 263,483.66, 363,607.53 and 142,624.55

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Solution

The fourth proportional to 263,483.66, 363,607.53 and 142,624.55 is: 196,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,483.66 : 363,607.53 = 142,624.55 : x
  2. Step 2: Convert to fraction form
    263,483.66/363,607.53 = 142,624.55/x
  3. Step 3: Cross multiply
    263,483.66x = 363,607.53 × 142,624.55
  4. Step 4: Simplify right side
    263,483.66x = 51,859,360,342.86
  5. Step 5: Solve for x
    x = 51,859,360,342.86/263,483.66
  6. Step 6: Final answer
    x = 196,821.92

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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.