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Finding the Fourth Proportional to 508,335.36, 762,508.52 and 153,352.46

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Solution

The fourth proportional to 508,335.36, 762,508.52 and 153,352.46 is: 230,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,335.36 : 762,508.52 = 153,352.46 : x
  2. Step 2: Convert to fraction form
    508,335.36/762,508.52 = 153,352.46/x
  3. Step 3: Cross multiply
    508,335.36x = 762,508.52 × 153,352.46
  4. Step 4: Simplify right side
    508,335.36x = 116,932,557,312.96
  5. Step 5: Solve for x
    x = 116,932,557,312.96/508,335.36
  6. Step 6: Final answer
    x = 230,030.34

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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.