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Finding the Fourth Proportional to 1,293,096.93, 1,939,806.42 and 440,103.03

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Solution

The fourth proportional to 1,293,096.93, 1,939,806.42 and 440,103.03 is: 660,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,096.93 : 1,939,806.42 = 440,103.03 : x
  2. Step 2: Convert to fraction form
    1,293,096.93/1,939,806.42 = 440,103.03/x
  3. Step 3: Cross multiply
    1,293,096.93x = 1,939,806.42 × 440,103.03
  4. Step 4: Simplify right side
    1,293,096.93x = 853,714,683,055.45
  5. Step 5: Solve for x
    x = 853,714,683,055.45/1,293,096.93
  6. Step 6: Final answer
    x = 660,209.35

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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.