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Finding the Fourth Proportional to 750,908.30, 1,125,864.30 and 414,110.30

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Solution

The fourth proportional to 750,908.30, 1,125,864.30 and 414,110.30 is: 620,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,908.30 : 1,125,864.30 = 414,110.30 : x
  2. Step 2: Convert to fraction form
    750,908.30/1,125,864.30 = 414,110.30/x
  3. Step 3: Cross multiply
    750,908.30x = 1,125,864.30 × 414,110.30
  4. Step 4: Simplify right side
    750,908.30x = 466,232,003,032.29
  5. Step 5: Solve for x
    x = 466,232,003,032.29/750,908.30
  6. Step 6: Final answer
    x = 620,890.73

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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.