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Finding the Fourth Proportional to 590,458.68, 885,828.56 and 191,099.45

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Solution

The fourth proportional to 590,458.68, 885,828.56 and 191,099.45 is: 286,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,458.68 : 885,828.56 = 191,099.45 : x
  2. Step 2: Convert to fraction form
    590,458.68/885,828.56 = 191,099.45/x
  3. Step 3: Cross multiply
    590,458.68x = 885,828.56 × 191,099.45
  4. Step 4: Simplify right side
    590,458.68x = 169,281,350,610.29
  5. Step 5: Solve for x
    x = 169,281,350,610.29/590,458.68
  6. Step 6: Final answer
    x = 286,694.66

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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.