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Finding the Fourth Proportional to 373,805.32, 515,858.36 and 204,045.52

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Solution

The fourth proportional to 373,805.32, 515,858.36 and 204,045.52 is: 281,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,805.32 : 515,858.36 = 204,045.52 : x
  2. Step 2: Convert to fraction form
    373,805.32/515,858.36 = 204,045.52/x
  3. Step 3: Cross multiply
    373,805.32x = 515,858.36 × 204,045.52
  4. Step 4: Simplify right side
    373,805.32x = 105,258,587,312.55
  5. Step 5: Solve for x
    x = 105,258,587,312.55/373,805.32
  6. Step 6: Final answer
    x = 281,586.65

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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.