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Finding the Fourth Proportional to 334,996.80, 502,336.80 and 194,798.40

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Solution

The fourth proportional to 334,996.80, 502,336.80 and 194,798.40 is: 292,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,996.80 : 502,336.80 = 194,798.40 : x
  2. Step 2: Convert to fraction form
    334,996.80/502,336.80 = 194,798.40/x
  3. Step 3: Cross multiply
    334,996.80x = 502,336.80 × 194,798.40
  4. Step 4: Simplify right side
    334,996.80x = 97,854,404,901.12
  5. Step 5: Solve for x
    x = 97,854,404,901.12/334,996.80
  6. Step 6: Final answer
    x = 292,105.49

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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.