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Finding the Fourth Proportional to 572,077.68, 858,393 and 235,366.80

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Solution

The fourth proportional to 572,077.68, 858,393 and 235,366.80 is: 353,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,077.68 : 858,393 = 235,366.80 : x
  2. Step 2: Convert to fraction form
    572,077.68/858,393 = 235,366.80/x
  3. Step 3: Cross multiply
    572,077.68x = 858,393 × 235,366.80
  4. Step 4: Simplify right side
    572,077.68x = 202,037,213,552.40
  5. Step 5: Solve for x
    x = 202,037,213,552.40/572,077.68
  6. Step 6: Final answer
    x = 353,163.95

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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.