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Finding the Fourth Proportional to 482,548.44, 665,886.78 and 291,448.92

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Solution

The fourth proportional to 482,548.44, 665,886.78 and 291,448.92 is: 402,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,548.44 : 665,886.78 = 291,448.92 : x
  2. Step 2: Convert to fraction form
    482,548.44/665,886.78 = 291,448.92/x
  3. Step 3: Cross multiply
    482,548.44x = 665,886.78 × 291,448.92
  4. Step 4: Simplify right side
    482,548.44x = 194,071,982,873.28
  5. Step 5: Solve for x
    x = 194,071,982,873.28/482,548.44
  6. Step 6: Final answer
    x = 402,181.35

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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.