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Finding the Fourth Proportional to 301,870.60, 452,517.90 and 112,280.20

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Solution

The fourth proportional to 301,870.60, 452,517.90 and 112,280.20 is: 168,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,870.60 : 452,517.90 = 112,280.20 : x
  2. Step 2: Convert to fraction form
    301,870.60/452,517.90 = 112,280.20/x
  3. Step 3: Cross multiply
    301,870.60x = 452,517.90 × 112,280.20
  4. Step 4: Simplify right side
    301,870.60x = 50,808,800,315.58
  5. Step 5: Solve for x
    x = 50,808,800,315.58/301,870.60
  6. Step 6: Final answer
    x = 168,313.18

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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.