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Finding the Fourth Proportional to 1,844,306.70, 2,766,848.85 and 778,800.30

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Solution

The fourth proportional to 1,844,306.70, 2,766,848.85 and 778,800.30 is: 1,168,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,306.70 : 2,766,848.85 = 778,800.30 : x
  2. Step 2: Convert to fraction form
    1,844,306.70/2,766,848.85 = 778,800.30/x
  3. Step 3: Cross multiply
    1,844,306.70x = 2,766,848.85 × 778,800.30
  4. Step 4: Simplify right side
    1,844,306.70x = 2,154,822,714,434.66
  5. Step 5: Solve for x
    x = 2,154,822,714,434.66/1,844,306.70
  6. Step 6: Final answer
    x = 1,168,364.63

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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.