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Finding the Fourth Proportional to 1,275,818, 1,913,727 and 527,883.44

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Solution

The fourth proportional to 1,275,818, 1,913,727 and 527,883.44 is: 791,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,818 : 1,913,727 = 527,883.44 : x
  2. Step 2: Convert to fraction form
    1,275,818/1,913,727 = 527,883.44/x
  3. Step 3: Cross multiply
    1,275,818x = 1,913,727 × 527,883.44
  4. Step 4: Simplify right side
    1,275,818x = 1,010,224,791,980.88
  5. Step 5: Solve for x
    x = 1,010,224,791,980.88/1,275,818
  6. Step 6: Final answer
    x = 791,825.16

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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.