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Finding the Fourth Proportional to 347,267.65, 519,480.42 and 262,396.93

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Solution

The fourth proportional to 347,267.65, 519,480.42 and 262,396.93 is: 392,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,267.65 : 519,480.42 = 262,396.93 : x
  2. Step 2: Convert to fraction form
    347,267.65/519,480.42 = 262,396.93/x
  3. Step 3: Cross multiply
    347,267.65x = 519,480.42 × 262,396.93
  4. Step 4: Simplify right side
    347,267.65x = 136,310,064,805.71
  5. Step 5: Solve for x
    x = 136,310,064,805.71/347,267.65
  6. Step 6: Final answer
    x = 392,521.64

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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.