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Finding the Fourth Proportional to 468,270.08, 646,212.72 and 253,410.16

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Solution

The fourth proportional to 468,270.08, 646,212.72 and 253,410.16 is: 349,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,270.08 : 646,212.72 = 253,410.16 : x
  2. Step 2: Convert to fraction form
    468,270.08/646,212.72 = 253,410.16/x
  3. Step 3: Cross multiply
    468,270.08x = 646,212.72 × 253,410.16
  4. Step 4: Simplify right side
    468,270.08x = 163,756,868,769.24
  5. Step 5: Solve for x
    x = 163,756,868,769.24/468,270.08
  6. Step 6: Final answer
    x = 349,706.03

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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.