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Finding the Fourth Proportional to 611,477.33, 843,916.54 and 369,761.66

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Solution

The fourth proportional to 611,477.33, 843,916.54 and 369,761.66 is: 510,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,477.33 : 843,916.54 = 369,761.66 : x
  2. Step 2: Convert to fraction form
    611,477.33/843,916.54 = 369,761.66/x
  3. Step 3: Cross multiply
    611,477.33x = 843,916.54 × 369,761.66
  4. Step 4: Simplify right side
    611,477.33x = 312,047,976,512.27
  5. Step 5: Solve for x
    x = 312,047,976,512.27/611,477.33
  6. Step 6: Final answer
    x = 510,318.14

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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.