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Finding the Fourth Proportional to 563,958.72, 778,260.96 and 349,056

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Solution

The fourth proportional to 563,958.72, 778,260.96 and 349,056 is: 481,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,958.72 : 778,260.96 = 349,056 : x
  2. Step 2: Convert to fraction form
    563,958.72/778,260.96 = 349,056/x
  3. Step 3: Cross multiply
    563,958.72x = 778,260.96 × 349,056
  4. Step 4: Simplify right side
    563,958.72x = 271,656,657,653.76
  5. Step 5: Solve for x
    x = 271,656,657,653.76/563,958.72
  6. Step 6: Final answer
    x = 481,696.00

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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.