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Finding the Fourth Proportional to 590,855.76, 886,097.73 and 191,403.85

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Solution

The fourth proportional to 590,855.76, 886,097.73 and 191,403.85 is: 287,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,855.76 : 886,097.73 = 191,403.85 : x
  2. Step 2: Convert to fraction form
    590,855.76/886,097.73 = 191,403.85/x
  3. Step 3: Cross multiply
    590,855.76x = 886,097.73 × 191,403.85
  4. Step 4: Simplify right side
    590,855.76x = 169,602,516,998.26
  5. Step 5: Solve for x
    x = 169,602,516,998.26/590,855.76
  6. Step 6: Final answer
    x = 287,045.55

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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.