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Finding the Fourth Proportional to 636,251.32, 954,492.90 and 262,070.20

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Solution

The fourth proportional to 636,251.32, 954,492.90 and 262,070.20 is: 393,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,251.32 : 954,492.90 = 262,070.20 : x
  2. Step 2: Convert to fraction form
    636,251.32/954,492.90 = 262,070.20/x
  3. Step 3: Cross multiply
    636,251.32x = 954,492.90 × 262,070.20
  4. Step 4: Simplify right side
    636,251.32x = 250,144,145,201.58
  5. Step 5: Solve for x
    x = 250,144,145,201.58/636,251.32
  6. Step 6: Final answer
    x = 393,153.05

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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.