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Finding the Fourth Proportional to 517,529.49, 776,031.71 and 236,806.17

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Solution

The fourth proportional to 517,529.49, 776,031.71 and 236,806.17 is: 355,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,529.49 : 776,031.71 = 236,806.17 : x
  2. Step 2: Convert to fraction form
    517,529.49/776,031.71 = 236,806.17/x
  3. Step 3: Cross multiply
    517,529.49x = 776,031.71 × 236,806.17
  4. Step 4: Simplify right side
    517,529.49x = 183,769,095,859.62
  5. Step 5: Solve for x
    x = 183,769,095,859.62/517,529.49
  6. Step 6: Final answer
    x = 355,089.13

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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.