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Finding the Fourth Proportional to 307,016.62, 460,127.47 and 212,095.35

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Solution

The fourth proportional to 307,016.62, 460,127.47 and 212,095.35 is: 317,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,016.62 : 460,127.47 = 212,095.35 : x
  2. Step 2: Convert to fraction form
    307,016.62/460,127.47 = 212,095.35/x
  3. Step 3: Cross multiply
    307,016.62x = 460,127.47 × 212,095.35
  4. Step 4: Simplify right side
    307,016.62x = 97,590,896,794.26
  5. Step 5: Solve for x
    x = 97,590,896,794.26/307,016.62
  6. Step 6: Final answer
    x = 317,868.45

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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.