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Finding the Fourth Proportional to 492,066.80, 738,100.20 and 176,555.60

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Solution

The fourth proportional to 492,066.80, 738,100.20 and 176,555.60 is: 264,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,066.80 : 738,100.20 = 176,555.60 : x
  2. Step 2: Convert to fraction form
    492,066.80/738,100.20 = 176,555.60/x
  3. Step 3: Cross multiply
    492,066.80x = 738,100.20 × 176,555.60
  4. Step 4: Simplify right side
    492,066.80x = 130,315,723,671.12
  5. Step 5: Solve for x
    x = 130,315,723,671.12/492,066.80
  6. Step 6: Final answer
    x = 264,833.40

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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.