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Finding the Fourth Proportional to 268,307.30, 402,000.15 and 174,764.90

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Solution

The fourth proportional to 268,307.30, 402,000.15 and 174,764.90 is: 261,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,307.30 : 402,000.15 = 174,764.90 : x
  2. Step 2: Convert to fraction form
    268,307.30/402,000.15 = 174,764.90/x
  3. Step 3: Cross multiply
    268,307.30x = 402,000.15 × 174,764.90
  4. Step 4: Simplify right side
    268,307.30x = 70,255,516,014.74
  5. Step 5: Solve for x
    x = 70,255,516,014.74/268,307.30
  6. Step 6: Final answer
    x = 261,847.20

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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.