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Finding the Fourth Proportional to 344,510.10, 516,776.68 and 119,889.40

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Solution

The fourth proportional to 344,510.10, 516,776.68 and 119,889.40 is: 179,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,510.10 : 516,776.68 = 119,889.40 : x
  2. Step 2: Convert to fraction form
    344,510.10/516,776.68 = 119,889.40/x
  3. Step 3: Cross multiply
    344,510.10x = 516,776.68 × 119,889.40
  4. Step 4: Simplify right side
    344,510.10x = 61,956,046,099.19
  5. Step 5: Solve for x
    x = 61,956,046,099.19/344,510.10
  6. Step 6: Final answer
    x = 179,838.11

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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.