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Finding the Fourth Proportional to 806,848.20, 1,210,272.30 and 806,848.20

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Solution

The fourth proportional to 806,848.20, 1,210,272.30 and 806,848.20 is: 1,210,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,848.20 : 1,210,272.30 = 806,848.20 : x
  2. Step 2: Convert to fraction form
    806,848.20/1,210,272.30 = 806,848.20/x
  3. Step 3: Cross multiply
    806,848.20x = 1,210,272.30 × 806,848.20
  4. Step 4: Simplify right side
    806,848.20x = 976,506,026,764.86
  5. Step 5: Solve for x
    x = 976,506,026,764.86/806,848.20
  6. Step 6: Final answer
    x = 1,210,272.30

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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.