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Finding the Fourth Proportional to 450,551, 675,301.62 and 250,775.84

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Solution

The fourth proportional to 450,551, 675,301.62 and 250,775.84 is: 375,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,551 : 675,301.62 = 250,775.84 : x
  2. Step 2: Convert to fraction form
    450,551/675,301.62 = 250,775.84/x
  3. Step 3: Cross multiply
    450,551x = 675,301.62 × 250,775.84
  4. Step 4: Simplify right side
    450,551x = 169,349,331,008.86
  5. Step 5: Solve for x
    x = 169,349,331,008.86/450,551
  6. Step 6: Final answer
    x = 375,871.61

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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.