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Finding the Fourth Proportional to 677,599.41, 935,088.45 and 371,678.27

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Solution

The fourth proportional to 677,599.41, 935,088.45 and 371,678.27 is: 512,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,599.41 : 935,088.45 = 371,678.27 : x
  2. Step 2: Convert to fraction form
    677,599.41/935,088.45 = 371,678.27/x
  3. Step 3: Cross multiply
    677,599.41x = 935,088.45 × 371,678.27
  4. Step 4: Simplify right side
    677,599.41x = 347,552,052,717.54
  5. Step 5: Solve for x
    x = 347,552,052,717.54/677,599.41
  6. Step 6: Final answer
    x = 512,916.70

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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.