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Finding the Fourth Proportional to 806,952.80, 1,209,910.80 and 333,826.40

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Solution

The fourth proportional to 806,952.80, 1,209,910.80 and 333,826.40 is: 500,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,952.80 : 1,209,910.80 = 333,826.40 : x
  2. Step 2: Convert to fraction form
    806,952.80/1,209,910.80 = 333,826.40/x
  3. Step 3: Cross multiply
    806,952.80x = 1,209,910.80 × 333,826.40
  4. Step 4: Simplify right side
    806,952.80x = 403,900,166,685.12
  5. Step 5: Solve for x
    x = 403,900,166,685.12/806,952.80
  6. Step 6: Final answer
    x = 500,525.14

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1.5x scale

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.