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Finding the Fourth Proportional to 572,591.30, 858,881.48 and 348,013.76

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Solution

The fourth proportional to 572,591.30, 858,881.48 and 348,013.76 is: 522,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,591.30 : 858,881.48 = 348,013.76 : x
  2. Step 2: Convert to fraction form
    572,591.30/858,881.48 = 348,013.76/x
  3. Step 3: Cross multiply
    572,591.30x = 858,881.48 × 348,013.76
  4. Step 4: Simplify right side
    572,591.30x = 298,902,567,214.69
  5. Step 5: Solve for x
    x = 298,902,567,214.69/572,591.30
  6. Step 6: Final answer
    x = 522,017.31

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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.