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Finding the Fourth Proportional to 594,993.99, 821,009.10 and 349,989.87

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Solution

The fourth proportional to 594,993.99, 821,009.10 and 349,989.87 is: 482,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,993.99 : 821,009.10 = 349,989.87 : x
  2. Step 2: Convert to fraction form
    594,993.99/821,009.10 = 349,989.87/x
  3. Step 3: Cross multiply
    594,993.99x = 821,009.10 × 349,989.87
  4. Step 4: Simplify right side
    594,993.99x = 287,344,868,177.82
  5. Step 5: Solve for x
    x = 287,344,868,177.82/594,993.99
  6. Step 6: Final answer
    x = 482,937.43

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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.