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Finding the Fourth Proportional to 605,810.60, 906,966.30 and 369,614.60

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Solution

The fourth proportional to 605,810.60, 906,966.30 and 369,614.60 is: 553,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,810.60 : 906,966.30 = 369,614.60 : x
  2. Step 2: Convert to fraction form
    605,810.60/906,966.30 = 369,614.60/x
  3. Step 3: Cross multiply
    605,810.60x = 906,966.30 × 369,614.60
  4. Step 4: Simplify right side
    605,810.60x = 335,227,986,187.98
  5. Step 5: Solve for x
    x = 335,227,986,187.98/605,810.60
  6. Step 6: Final answer
    x = 553,354.44

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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.