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Finding the Fourth Proportional to 555,181.16, 832,647.16 and 255,373.80

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Solution

The fourth proportional to 555,181.16, 832,647.16 and 255,373.80 is: 383,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,181.16 : 832,647.16 = 255,373.80 : x
  2. Step 2: Convert to fraction form
    555,181.16/832,647.16 = 255,373.80/x
  3. Step 3: Cross multiply
    555,181.16x = 832,647.16 × 255,373.80
  4. Step 4: Simplify right side
    555,181.16x = 212,636,269,308.41
  5. Step 5: Solve for x
    x = 212,636,269,308.41/555,181.16
  6. Step 6: Final answer
    x = 383,003.40

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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.