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Finding the Fourth Proportional to 556,059.48, 833,443.92 and 255,909.84

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Solution

The fourth proportional to 556,059.48, 833,443.92 and 255,909.84 is: 383,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,059.48 : 833,443.92 = 255,909.84 : x
  2. Step 2: Convert to fraction form
    556,059.48/833,443.92 = 255,909.84/x
  3. Step 3: Cross multiply
    556,059.48x = 833,443.92 × 255,909.84
  4. Step 4: Simplify right side
    556,059.48x = 213,286,500,216.17
  5. Step 5: Solve for x
    x = 213,286,500,216.17/556,059.48
  6. Step 6: Final answer
    x = 383,567.78

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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.