Home / 348,905.10-522,061.65-255,593.10

Finding the Fourth Proportional to 348,905.10, 522,061.65 and 255,593.10

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Solution

The fourth proportional to 348,905.10, 522,061.65 and 255,593.10 is: 382,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,905.10 : 522,061.65 = 255,593.10 : x
  2. Step 2: Convert to fraction form
    348,905.10/522,061.65 = 255,593.10/x
  3. Step 3: Cross multiply
    348,905.10x = 522,061.65 × 255,593.10
  4. Step 4: Simplify right side
    348,905.10x = 133,435,355,514.62
  5. Step 5: Solve for x
    x = 133,435,355,514.62/348,905.10
  6. Step 6: Final answer
    x = 382,440.26

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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.