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Finding the Fourth Proportional to 590,958.65, 886,567.53 and 191,639.79

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Solution

The fourth proportional to 590,958.65, 886,567.53 and 191,639.79 is: 287,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,958.65 : 886,567.53 = 191,639.79 : x
  2. Step 2: Convert to fraction form
    590,958.65/886,567.53 = 191,639.79/x
  3. Step 3: Cross multiply
    590,958.65x = 886,567.53 × 191,639.79
  4. Step 4: Simplify right side
    590,958.65x = 169,901,615,270.02
  5. Step 5: Solve for x
    x = 169,901,615,270.02/590,958.65
  6. Step 6: Final answer
    x = 287,501.70

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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.