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Finding the Fourth Proportional to 304,493.60, 457,258.80 and 225,696.80

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Solution

The fourth proportional to 304,493.60, 457,258.80 and 225,696.80 is: 338,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,493.60 : 457,258.80 = 225,696.80 : x
  2. Step 2: Convert to fraction form
    304,493.60/457,258.80 = 225,696.80/x
  3. Step 3: Cross multiply
    304,493.60x = 457,258.80 × 225,696.80
  4. Step 4: Simplify right side
    304,493.60x = 103,201,847,931.84
  5. Step 5: Solve for x
    x = 103,201,847,931.84/304,493.60
  6. Step 6: Final answer
    x = 338,929.45

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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.