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Finding the Fourth Proportional to 653,164.10, 901,304.25 and 366,618.50

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Solution

The fourth proportional to 653,164.10, 901,304.25 and 366,618.50 is: 505,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,164.10 : 901,304.25 = 366,618.50 : x
  2. Step 2: Convert to fraction form
    653,164.10/901,304.25 = 366,618.50/x
  3. Step 3: Cross multiply
    653,164.10x = 901,304.25 × 366,618.50
  4. Step 4: Simplify right side
    653,164.10x = 330,434,812,178.63
  5. Step 5: Solve for x
    x = 330,434,812,178.63/653,164.10
  6. Step 6: Final answer
    x = 505,898.61

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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.