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Finding the Fourth Proportional to 335,113.36, 502,834.02 and 157,638.28

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Solution

The fourth proportional to 335,113.36, 502,834.02 and 157,638.28 is: 236,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,113.36 : 502,834.02 = 157,638.28 : x
  2. Step 2: Convert to fraction form
    335,113.36/502,834.02 = 157,638.28/x
  3. Step 3: Cross multiply
    335,113.36x = 502,834.02 × 157,638.28
  4. Step 4: Simplify right side
    335,113.36x = 79,265,890,038.29
  5. Step 5: Solve for x
    x = 79,265,890,038.29/335,113.36
  6. Step 6: Final answer
    x = 236,534.56

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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.