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Finding the Fourth Proportional to 283,332.90, 424,015.20 and 259,713.30

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Solution

The fourth proportional to 283,332.90, 424,015.20 and 259,713.30 is: 388,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,332.90 : 424,015.20 = 259,713.30 : x
  2. Step 2: Convert to fraction form
    283,332.90/424,015.20 = 259,713.30/x
  3. Step 3: Cross multiply
    283,332.90x = 424,015.20 × 259,713.30
  4. Step 4: Simplify right side
    283,332.90x = 110,122,386,842.16
  5. Step 5: Solve for x
    x = 110,122,386,842.16/283,332.90
  6. Step 6: Final answer
    x = 388,667.84

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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.