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Finding the Fourth Proportional to 650,605.45, 896,231.27 and 553,498.29

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Solution

The fourth proportional to 650,605.45, 896,231.27 and 553,498.29 is: 762,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,605.45 : 896,231.27 = 553,498.29 : x
  2. Step 2: Convert to fraction form
    650,605.45/896,231.27 = 553,498.29/x
  3. Step 3: Cross multiply
    650,605.45x = 896,231.27 × 553,498.29
  4. Step 4: Simplify right side
    650,605.45x = 496,062,476,309.99
  5. Step 5: Solve for x
    x = 496,062,476,309.99/650,605.45
  6. Step 6: Final answer
    x = 762,462.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.