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Finding the Fourth Proportional to 654,233.40, 981,350.10 and 606,994.20

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Solution

The fourth proportional to 654,233.40, 981,350.10 and 606,994.20 is: 910,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,233.40 : 981,350.10 = 606,994.20 : x
  2. Step 2: Convert to fraction form
    654,233.40/981,350.10 = 606,994.20/x
  3. Step 3: Cross multiply
    654,233.40x = 981,350.10 × 606,994.20
  4. Step 4: Simplify right side
    654,233.40x = 595,673,818,869.42
  5. Step 5: Solve for x
    x = 595,673,818,869.42/654,233.40
  6. Step 6: Final answer
    x = 910,491.30

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Half scale
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Double scale
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Similar ratio
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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.