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Finding the Fourth Proportional to 806,751.12, 1,210,534.92 and 333,775.92

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Solution

The fourth proportional to 806,751.12, 1,210,534.92 and 333,775.92 is: 500,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,751.12 : 1,210,534.92 = 333,775.92 : x
  2. Step 2: Convert to fraction form
    806,751.12/1,210,534.92 = 333,775.92/x
  3. Step 3: Cross multiply
    806,751.12x = 1,210,534.92 × 333,775.92
  4. Step 4: Simplify right side
    806,751.12x = 404,047,406,615.13
  5. Step 5: Solve for x
    x = 404,047,406,615.13/806,751.12
  6. Step 6: Final answer
    x = 500,832.78

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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.