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Finding the Fourth Proportional to 332,767.80, 499,151.70 and 122,378.40

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Solution

The fourth proportional to 332,767.80, 499,151.70 and 122,378.40 is: 183,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,767.80 : 499,151.70 = 122,378.40 : x
  2. Step 2: Convert to fraction form
    332,767.80/499,151.70 = 122,378.40/x
  3. Step 3: Cross multiply
    332,767.80x = 499,151.70 × 122,378.40
  4. Step 4: Simplify right side
    332,767.80x = 61,085,386,403.28
  5. Step 5: Solve for x
    x = 61,085,386,403.28/332,767.80
  6. Step 6: Final answer
    x = 183,567.60

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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.