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Finding the Fourth Proportional to 590,485.69, 885,869.13 and 191,126.53

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Solution

The fourth proportional to 590,485.69, 885,869.13 and 191,126.53 is: 286,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,485.69 : 885,869.13 = 191,126.53 : x
  2. Step 2: Convert to fraction form
    590,485.69/885,869.13 = 191,126.53/x
  3. Step 3: Cross multiply
    590,485.69x = 885,869.13 × 191,126.53
  4. Step 4: Simplify right side
    590,485.69x = 169,313,092,851.02
  5. Step 5: Solve for x
    x = 169,313,092,851.02/590,485.69
  6. Step 6: Final answer
    x = 286,735.30

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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.