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Finding the Fourth Proportional to 590,580.45, 886,011.81 and 191,221.68

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Solution

The fourth proportional to 590,580.45, 886,011.81 and 191,221.68 is: 286,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,580.45 : 886,011.81 = 191,221.68 : x
  2. Step 2: Convert to fraction form
    590,580.45/886,011.81 = 191,221.68/x
  3. Step 3: Cross multiply
    590,580.45x = 886,011.81 × 191,221.68
  4. Step 4: Simplify right side
    590,580.45x = 169,424,666,808.04
  5. Step 5: Solve for x
    x = 169,424,666,808.04/590,580.45
  6. Step 6: Final answer
    x = 286,878.22

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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.