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Finding the Fourth Proportional to 617,955.52, 927,283.94 and 333,642.28

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Solution

The fourth proportional to 617,955.52, 927,283.94 and 333,642.28 is: 500,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,955.52 : 927,283.94 = 333,642.28 : x
  2. Step 2: Convert to fraction form
    617,955.52/927,283.94 = 333,642.28/x
  3. Step 3: Cross multiply
    617,955.52x = 927,283.94 × 333,642.28
  4. Step 4: Simplify right side
    617,955.52x = 309,381,127,948.98
  5. Step 5: Solve for x
    x = 309,381,127,948.98/617,955.52
  6. Step 6: Final answer
    x = 500,652.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.