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Finding the Fourth Proportional to 492,117.90, 738,176.85 and 332,685.60

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Solution

The fourth proportional to 492,117.90, 738,176.85 and 332,685.60 is: 499,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,117.90 : 738,176.85 = 332,685.60 : x
  2. Step 2: Convert to fraction form
    492,117.90/738,176.85 = 332,685.60/x
  3. Step 3: Cross multiply
    492,117.90x = 738,176.85 × 332,685.60
  4. Step 4: Simplify right side
    492,117.90x = 245,580,808,248.36
  5. Step 5: Solve for x
    x = 245,580,808,248.36/492,117.90
  6. Step 6: Final answer
    x = 499,028.40

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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.