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Finding the Fourth Proportional to 334,889.60, 502,042.80 and 201,628.40

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Solution

The fourth proportional to 334,889.60, 502,042.80 and 201,628.40 is: 302,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,889.60 : 502,042.80 = 201,628.40 : x
  2. Step 2: Convert to fraction form
    334,889.60/502,042.80 = 201,628.40/x
  3. Step 3: Cross multiply
    334,889.60x = 502,042.80 × 201,628.40
  4. Step 4: Simplify right side
    334,889.60x = 101,226,086,495.52
  5. Step 5: Solve for x
    x = 101,226,086,495.52/334,889.60
  6. Step 6: Final answer
    x = 302,267.04

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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.