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Finding the Fourth Proportional to 334,708.80, 502,063.20 and 201,998.40

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Solution

The fourth proportional to 334,708.80, 502,063.20 and 201,998.40 is: 302,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,708.80 : 502,063.20 = 201,998.40 : x
  2. Step 2: Convert to fraction form
    334,708.80/502,063.20 = 201,998.40/x
  3. Step 3: Cross multiply
    334,708.80x = 502,063.20 × 201,998.40
  4. Step 4: Simplify right side
    334,708.80x = 101,415,963,098.88
  5. Step 5: Solve for x
    x = 101,415,963,098.88/334,708.80
  6. Step 6: Final answer
    x = 302,997.60

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1.5x scale

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.