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Finding the Fourth Proportional to 453,129.63, 625,308.66 and 246,393.51

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Solution

The fourth proportional to 453,129.63, 625,308.66 and 246,393.51 is: 340,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,129.63 : 625,308.66 = 246,393.51 : x
  2. Step 2: Convert to fraction form
    453,129.63/625,308.66 = 246,393.51/x
  3. Step 3: Cross multiply
    453,129.63x = 625,308.66 × 246,393.51
  4. Step 4: Simplify right side
    453,129.63x = 154,071,995,570.80
  5. Step 5: Solve for x
    x = 154,071,995,570.80/453,129.63
  6. Step 6: Final answer
    x = 340,017.48

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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.