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Finding the Fourth Proportional to 335,515.84, 502,548 and 157,756.48

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Solution

The fourth proportional to 335,515.84, 502,548 and 157,756.48 is: 236,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,515.84 : 502,548 = 157,756.48 : x
  2. Step 2: Convert to fraction form
    335,515.84/502,548 = 157,756.48/x
  3. Step 3: Cross multiply
    335,515.84x = 502,548 × 157,756.48
  4. Step 4: Simplify right side
    335,515.84x = 79,280,203,511.04
  5. Step 5: Solve for x
    x = 79,280,203,511.04/335,515.84
  6. Step 6: Final answer
    x = 236,293.47

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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.