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Finding the Fourth Proportional to 583,793.46, 805,633.61 and 329,142.83

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Solution

The fourth proportional to 583,793.46, 805,633.61 and 329,142.83 is: 454,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,793.46 : 805,633.61 = 329,142.83 : x
  2. Step 2: Convert to fraction form
    583,793.46/805,633.61 = 329,142.83/x
  3. Step 3: Cross multiply
    583,793.46x = 805,633.61 × 329,142.83
  4. Step 4: Simplify right side
    583,793.46x = 265,168,520,664.63
  5. Step 5: Solve for x
    x = 265,168,520,664.63/583,793.46
  6. Step 6: Final answer
    x = 454,216.33

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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.