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Finding the Fourth Proportional to 562,412.92, 776,126.44 and 304,289

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Solution

The fourth proportional to 562,412.92, 776,126.44 and 304,289 is: 419,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,412.92 : 776,126.44 = 304,289 : x
  2. Step 2: Convert to fraction form
    562,412.92/776,126.44 = 304,289/x
  3. Step 3: Cross multiply
    562,412.92x = 776,126.44 × 304,289
  4. Step 4: Simplify right side
    562,412.92x = 236,166,738,301.16
  5. Step 5: Solve for x
    x = 236,166,738,301.16/562,412.92
  6. Step 6: Final answer
    x = 419,916.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.