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Finding the Fourth Proportional to 334,953.20, 502,575.60 and 168,741.20

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Solution

The fourth proportional to 334,953.20, 502,575.60 and 168,741.20 is: 253,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,953.20 : 502,575.60 = 168,741.20 : x
  2. Step 2: Convert to fraction form
    334,953.20/502,575.60 = 168,741.20/x
  3. Step 3: Cross multiply
    334,953.20x = 502,575.60 × 168,741.20
  4. Step 4: Simplify right side
    334,953.20x = 84,805,209,834.72
  5. Step 5: Solve for x
    x = 84,805,209,834.72/334,953.20
  6. Step 6: Final answer
    x = 253,185.25

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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.