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Finding the Fourth Proportional to 439,603.83, 659,385.92 and 183,330.86

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Solution

The fourth proportional to 439,603.83, 659,385.92 and 183,330.86 is: 274,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,603.83 : 659,385.92 = 183,330.86 : x
  2. Step 2: Convert to fraction form
    439,603.83/659,385.92 = 183,330.86/x
  3. Step 3: Cross multiply
    439,603.83x = 659,385.92 × 183,330.86
  4. Step 4: Simplify right side
    439,603.83x = 120,885,784,946.89
  5. Step 5: Solve for x
    x = 120,885,784,946.89/439,603.83
  6. Step 6: Final answer
    x = 274,988.02

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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.