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Finding the Fourth Proportional to 334,729.26, 502,093.62 and 85,411.26

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Solution

The fourth proportional to 334,729.26, 502,093.62 and 85,411.26 is: 128,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,729.26 : 502,093.62 = 85,411.26 : x
  2. Step 2: Convert to fraction form
    334,729.26/502,093.62 = 85,411.26/x
  3. Step 3: Cross multiply
    334,729.26x = 502,093.62 × 85,411.26
  4. Step 4: Simplify right side
    334,729.26x = 42,884,448,722.16
  5. Step 5: Solve for x
    x = 42,884,448,722.16/334,729.26
  6. Step 6: Final answer
    x = 128,116.82

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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.