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Finding the Fourth Proportional to 415,630.16, 573,558.08 and 234,340.48

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Solution

The fourth proportional to 415,630.16, 573,558.08 and 234,340.48 is: 323,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,630.16 : 573,558.08 = 234,340.48 : x
  2. Step 2: Convert to fraction form
    415,630.16/573,558.08 = 234,340.48/x
  3. Step 3: Cross multiply
    415,630.16x = 573,558.08 × 234,340.48
  4. Step 4: Simplify right side
    415,630.16x = 134,407,875,775.08
  5. Step 5: Solve for x
    x = 134,407,875,775.08/415,630.16
  6. Step 6: Final answer
    x = 323,383.36

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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.