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Finding the Fourth Proportional to 468,619.04, 646,697.35 and 253,759.12

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Solution

The fourth proportional to 468,619.04, 646,697.35 and 253,759.12 is: 350,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,619.04 : 646,697.35 = 253,759.12 : x
  2. Step 2: Convert to fraction form
    468,619.04/646,697.35 = 253,759.12/x
  3. Step 3: Cross multiply
    468,619.04x = 646,697.35 × 253,759.12
  4. Step 4: Simplify right side
    468,619.04x = 164,105,349,142.79
  5. Step 5: Solve for x
    x = 164,105,349,142.79/468,619.04
  6. Step 6: Final answer
    x = 350,189.25

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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.