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Finding the Fourth Proportional to 288,527.67, 432,824.31 and 99,002.25

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Solution

The fourth proportional to 288,527.67, 432,824.31 and 99,002.25 is: 148,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,527.67 : 432,824.31 = 99,002.25 : x
  2. Step 2: Convert to fraction form
    288,527.67/432,824.31 = 99,002.25/x
  3. Step 3: Cross multiply
    288,527.67x = 432,824.31 × 99,002.25
  4. Step 4: Simplify right side
    288,527.67x = 42,850,580,544.70
  5. Step 5: Solve for x
    x = 42,850,580,544.70/288,527.67
  6. Step 6: Final answer
    x = 148,514.63

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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.