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Finding the Fourth Proportional to 562,398.92, 776,110.56 and 307,750.13

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Solution

The fourth proportional to 562,398.92, 776,110.56 and 307,750.13 is: 424,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,398.92 : 776,110.56 = 307,750.13 : x
  2. Step 2: Convert to fraction form
    562,398.92/776,110.56 = 307,750.13/x
  3. Step 3: Cross multiply
    562,398.92x = 776,110.56 × 307,750.13
  4. Step 4: Simplify right side
    562,398.92x = 238,848,125,734.37
  5. Step 5: Solve for x
    x = 238,848,125,734.37/562,398.92
  6. Step 6: Final answer
    x = 424,695.21

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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.