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Finding the Fourth Proportional to 565,983.83, 781,496.09 and 434,953.93

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Solution

The fourth proportional to 565,983.83, 781,496.09 and 434,953.93 is: 600,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,983.83 : 781,496.09 = 434,953.93 : x
  2. Step 2: Convert to fraction form
    565,983.83/781,496.09 = 434,953.93/x
  3. Step 3: Cross multiply
    565,983.83x = 781,496.09 × 434,953.93
  4. Step 4: Simplify right side
    565,983.83x = 339,914,795,404.10
  5. Step 5: Solve for x
    x = 339,914,795,404.10/565,983.83
  6. Step 6: Final answer
    x = 600,573.34

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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.