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Finding the Fourth Proportional to 1,149,648.40, 1,724,731.80 and 350,966.80

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Solution

The fourth proportional to 1,149,648.40, 1,724,731.80 and 350,966.80 is: 526,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,648.40 : 1,724,731.80 = 350,966.80 : x
  2. Step 2: Convert to fraction form
    1,149,648.40/1,724,731.80 = 350,966.80/x
  3. Step 3: Cross multiply
    1,149,648.40x = 1,724,731.80 × 350,966.80
  4. Step 4: Simplify right side
    1,149,648.40x = 605,323,600,704.24
  5. Step 5: Solve for x
    x = 605,323,600,704.24/1,149,648.40
  6. Step 6: Final answer
    x = 526,529.33

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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.