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Finding the Fourth Proportional to 334,995.40, 502,493.10 and 185,696.20

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Solution

The fourth proportional to 334,995.40, 502,493.10 and 185,696.20 is: 278,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,995.40 : 502,493.10 = 185,696.20 : x
  2. Step 2: Convert to fraction form
    334,995.40/502,493.10 = 185,696.20/x
  3. Step 3: Cross multiply
    334,995.40x = 502,493.10 × 185,696.20
  4. Step 4: Simplify right side
    334,995.40x = 93,311,059,196.22
  5. Step 5: Solve for x
    x = 93,311,059,196.22/334,995.40
  6. Step 6: Final answer
    x = 278,544.30

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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.