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Finding the Fourth Proportional to 571,960.49, 857,945.62 and 145,496.68

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Solution

The fourth proportional to 571,960.49, 857,945.62 and 145,496.68 is: 218,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,960.49 : 857,945.62 = 145,496.68 : x
  2. Step 2: Convert to fraction form
    571,960.49/857,945.62 = 145,496.68/x
  3. Step 3: Cross multiply
    571,960.49x = 857,945.62 × 145,496.68
  4. Step 4: Simplify right side
    571,960.49x = 124,828,236,821.94
  5. Step 5: Solve for x
    x = 124,828,236,821.94/571,960.49
  6. Step 6: Final answer
    x = 218,246.26

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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.