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Finding the Fourth Proportional to 514,277.84, 771,267.78 and 154,434.17

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Solution

The fourth proportional to 514,277.84, 771,267.78 and 154,434.17 is: 231,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,277.84 : 771,267.78 = 154,434.17 : x
  2. Step 2: Convert to fraction form
    514,277.84/771,267.78 = 154,434.17/x
  3. Step 3: Cross multiply
    514,277.84x = 771,267.78 × 154,434.17
  4. Step 4: Simplify right side
    514,277.84x = 119,110,095,595.70
  5. Step 5: Solve for x
    x = 119,110,095,595.70/514,277.84
  6. Step 6: Final answer
    x = 231,606.51

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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.