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Finding the Fourth Proportional to 415,573.92, 573,448.14 and 234,281.34

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Solution

The fourth proportional to 415,573.92, 573,448.14 and 234,281.34 is: 323,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,573.92 : 573,448.14 = 234,281.34 : x
  2. Step 2: Convert to fraction form
    415,573.92/573,448.14 = 234,281.34/x
  3. Step 3: Cross multiply
    415,573.92x = 573,448.14 × 234,281.34
  4. Step 4: Simplify right side
    415,573.92x = 134,348,198,659.71
  5. Step 5: Solve for x
    x = 134,348,198,659.71/415,573.92
  6. Step 6: Final answer
    x = 323,283.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.