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Finding the Fourth Proportional to 303,878.80, 456,228.60 and 177,648.40

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Solution

The fourth proportional to 303,878.80, 456,228.60 and 177,648.40 is: 266,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,878.80 : 456,228.60 = 177,648.40 : x
  2. Step 2: Convert to fraction form
    303,878.80/456,228.60 = 177,648.40/x
  3. Step 3: Cross multiply
    303,878.80x = 456,228.60 × 177,648.40
  4. Step 4: Simplify right side
    303,878.80x = 81,048,280,824.24
  5. Step 5: Solve for x
    x = 81,048,280,824.24/303,878.80
  6. Step 6: Final answer
    x = 266,712.52

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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.