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Finding the Fourth Proportional to 440,963.19, 659,452.19 and 339,748.83

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Solution

The fourth proportional to 440,963.19, 659,452.19 and 339,748.83 is: 508,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,963.19 : 659,452.19 = 339,748.83 : x
  2. Step 2: Convert to fraction form
    440,963.19/659,452.19 = 339,748.83/x
  3. Step 3: Cross multiply
    440,963.19x = 659,452.19 × 339,748.83
  4. Step 4: Simplify right side
    440,963.19x = 224,048,108,294.69
  5. Step 5: Solve for x
    x = 224,048,108,294.69/440,963.19
  6. Step 6: Final answer
    x = 508,088.01

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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.