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Finding the Fourth Proportional to 572,220.63, 858,461.90 and 248,063.13

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Solution

The fourth proportional to 572,220.63, 858,461.90 and 248,063.13 is: 372,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,220.63 : 858,461.90 = 248,063.13 : x
  2. Step 2: Convert to fraction form
    572,220.63/858,461.90 = 248,063.13/x
  3. Step 3: Cross multiply
    572,220.63x = 858,461.90 × 248,063.13
  4. Step 4: Simplify right side
    572,220.63x = 212,952,744,659.43
  5. Step 5: Solve for x
    x = 212,952,744,659.43/572,220.63
  6. Step 6: Final answer
    x = 372,151.46

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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.