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Finding the Fourth Proportional to 334,859.40, 502,337.70 and 157,372.20

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Solution

The fourth proportional to 334,859.40, 502,337.70 and 157,372.20 is: 236,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,859.40 : 502,337.70 = 157,372.20 : x
  2. Step 2: Convert to fraction form
    334,859.40/502,337.70 = 157,372.20/x
  3. Step 3: Cross multiply
    334,859.40x = 502,337.70 × 157,372.20
  4. Step 4: Simplify right side
    334,859.40x = 79,053,988,991.94
  5. Step 5: Solve for x
    x = 79,053,988,991.94/334,859.40
  6. Step 6: Final answer
    x = 236,081.14

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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.