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Finding the Fourth Proportional to 563,308.46, 777,366.06 and 333,978.89

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Solution

The fourth proportional to 563,308.46, 777,366.06 and 333,978.89 is: 460,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,308.46 : 777,366.06 = 333,978.89 : x
  2. Step 2: Convert to fraction form
    563,308.46/777,366.06 = 333,978.89/x
  3. Step 3: Cross multiply
    563,308.46x = 777,366.06 × 333,978.89
  4. Step 4: Simplify right side
    563,308.46x = 259,623,849,955.64
  5. Step 5: Solve for x
    x = 259,623,849,955.64/563,308.46
  6. Step 6: Final answer
    x = 460,891.09

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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.