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Finding the Fourth Proportional to 619,315.60, 929,000.40 and 170,024.80

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Solution

The fourth proportional to 619,315.60, 929,000.40 and 170,024.80 is: 255,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,315.60 : 929,000.40 = 170,024.80 : x
  2. Step 2: Convert to fraction form
    619,315.60/929,000.40 = 170,024.80/x
  3. Step 3: Cross multiply
    619,315.60x = 929,000.40 × 170,024.80
  4. Step 4: Simplify right side
    619,315.60x = 157,953,107,209.92
  5. Step 5: Solve for x
    x = 157,953,107,209.92/619,315.60
  6. Step 6: Final answer
    x = 255,044.61

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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.