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Finding the Fourth Proportional to 195,424.60, 293,136.90 and 194,258.20

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Solution

The fourth proportional to 195,424.60, 293,136.90 and 194,258.20 is: 291,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,424.60 : 293,136.90 = 194,258.20 : x
  2. Step 2: Convert to fraction form
    195,424.60/293,136.90 = 194,258.20/x
  3. Step 3: Cross multiply
    195,424.60x = 293,136.90 × 194,258.20
  4. Step 4: Simplify right side
    195,424.60x = 56,944,246,547.58
  5. Step 5: Solve for x
    x = 56,944,246,547.58/195,424.60
  6. Step 6: Final answer
    x = 291,387.30

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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.