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Finding the Fourth Proportional to 572,294.93, 858,622.82 and 359,211.06

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Solution

The fourth proportional to 572,294.93, 858,622.82 and 359,211.06 is: 538,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,294.93 : 858,622.82 = 359,211.06 : x
  2. Step 2: Convert to fraction form
    572,294.93/858,622.82 = 359,211.06/x
  3. Step 3: Cross multiply
    572,294.93x = 858,622.82 × 359,211.06
  4. Step 4: Simplify right side
    572,294.93x = 308,426,811,516.33
  5. Step 5: Solve for x
    x = 308,426,811,516.33/572,294.93
  6. Step 6: Final answer
    x = 538,929.84

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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.