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Finding the Fourth Proportional to 978,233.70, 1,467,350.55 and 710,544.90

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Solution

The fourth proportional to 978,233.70, 1,467,350.55 and 710,544.90 is: 1,065,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,233.70 : 1,467,350.55 = 710,544.90 : x
  2. Step 2: Convert to fraction form
    978,233.70/1,467,350.55 = 710,544.90/x
  3. Step 3: Cross multiply
    978,233.70x = 1,467,350.55 × 710,544.90
  4. Step 4: Simplify right side
    978,233.70x = 1,042,618,449,814.70
  5. Step 5: Solve for x
    x = 1,042,618,449,814.70/978,233.70
  6. Step 6: Final answer
    x = 1,065,817.35

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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.