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Finding the Fourth Proportional to 572,097.33, 858,386.73 and 356,136.83

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Solution

The fourth proportional to 572,097.33, 858,386.73 and 356,136.83 is: 534,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,097.33 : 858,386.73 = 356,136.83 : x
  2. Step 2: Convert to fraction form
    572,097.33/858,386.73 = 356,136.83/x
  3. Step 3: Cross multiply
    572,097.33x = 858,386.73 × 356,136.83
  4. Step 4: Simplify right side
    572,097.33x = 305,703,126,784.58
  5. Step 5: Solve for x
    x = 305,703,126,784.58/572,097.33
  6. Step 6: Final answer
    x = 534,355.11

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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.