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Finding the Fourth Proportional to 563,951.00, 778,258.41 and 305,828.43

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Solution

The fourth proportional to 563,951.00, 778,258.41 and 305,828.43 is: 422,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,951.00 : 778,258.41 = 305,828.43 : x
  2. Step 2: Convert to fraction form
    563,951.00/778,258.41 = 305,828.43/x
  3. Step 3: Cross multiply
    563,951.00x = 778,258.41 × 305,828.43
  4. Step 4: Simplify right side
    563,951.00x = 238,013,547,664.60
  5. Step 5: Solve for x
    x = 238,013,547,664.60/563,951.00
  6. Step 6: Final answer
    x = 422,046.51

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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.