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Finding the Fourth Proportional to 555,388.08, 832,452.12 and 255,248.31

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Solution

The fourth proportional to 555,388.08, 832,452.12 and 255,248.31 is: 382,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,388.08 : 832,452.12 = 255,248.31 : x
  2. Step 2: Convert to fraction form
    555,388.08/832,452.12 = 255,248.31/x
  3. Step 3: Cross multiply
    555,388.08x = 832,452.12 × 255,248.31
  4. Step 4: Simplify right side
    555,388.08x = 212,481,999,907.61
  5. Step 5: Solve for x
    x = 212,481,999,907.61/555,388.08
  6. Step 6: Final answer
    x = 382,582.93

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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.