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Finding the Fourth Proportional to 576,612.96, 865,477.53 and 277,300.14

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Solution

The fourth proportional to 576,612.96, 865,477.53 and 277,300.14 is: 416,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,612.96 : 865,477.53 = 277,300.14 : x
  2. Step 2: Convert to fraction form
    576,612.96/865,477.53 = 277,300.14/x
  3. Step 3: Cross multiply
    576,612.96x = 865,477.53 × 277,300.14
  4. Step 4: Simplify right side
    576,612.96x = 239,997,040,235.85
  5. Step 5: Solve for x
    x = 239,997,040,235.85/576,612.96
  6. Step 6: Final answer
    x = 416,218.60

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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.