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Finding the Fourth Proportional to 3,705,509.13, 5,558,794.95 and 1,146,948.77

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Solution

The fourth proportional to 3,705,509.13, 5,558,794.95 and 1,146,948.77 is: 1,720,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705,509.13 : 5,558,794.95 = 1,146,948.77 : x
  2. Step 2: Convert to fraction form
    3,705,509.13/5,558,794.95 = 1,146,948.77/x
  3. Step 3: Cross multiply
    3,705,509.13x = 5,558,794.95 × 1,146,948.77
  4. Step 4: Simplify right side
    3,705,509.13x = 6,375,653,002,790.74
  5. Step 5: Solve for x
    x = 6,375,653,002,790.74/3,705,509.13
  6. Step 6: Final answer
    x = 1,720,587.58

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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.