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Finding the Fourth Proportional to 572,073.68, 858,387 and 235,362.80

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Solution

The fourth proportional to 572,073.68, 858,387 and 235,362.80 is: 353,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,073.68 : 858,387 = 235,362.80 : x
  2. Step 2: Convert to fraction form
    572,073.68/858,387 = 235,362.80/x
  3. Step 3: Cross multiply
    572,073.68x = 858,387 × 235,362.80
  4. Step 4: Simplify right side
    572,073.68x = 202,032,367,803.60
  5. Step 5: Solve for x
    x = 202,032,367,803.60/572,073.68
  6. Step 6: Final answer
    x = 353,157.95

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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.