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Finding the Fourth Proportional to 219,347.79, 329,152.77 and 201,501.87

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Solution

The fourth proportional to 219,347.79, 329,152.77 and 201,501.87 is: 302,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,347.79 : 329,152.77 = 201,501.87 : x
  2. Step 2: Convert to fraction form
    219,347.79/329,152.77 = 201,501.87/x
  3. Step 3: Cross multiply
    219,347.79x = 329,152.77 × 201,501.87
  4. Step 4: Simplify right side
    219,347.79x = 66,324,898,670.68
  5. Step 5: Solve for x
    x = 66,324,898,670.68/219,347.79
  6. Step 6: Final answer
    x = 302,373.23

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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.