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Finding the Fourth Proportional to 334,999.40, 502,499.10 and 329,167.40

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Solution

The fourth proportional to 334,999.40, 502,499.10 and 329,167.40 is: 493,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,999.40 : 502,499.10 = 329,167.40 : x
  2. Step 2: Convert to fraction form
    334,999.40/502,499.10 = 329,167.40/x
  3. Step 3: Cross multiply
    334,999.40x = 502,499.10 × 329,167.40
  4. Step 4: Simplify right side
    334,999.40x = 165,406,322,249.34
  5. Step 5: Solve for x
    x = 165,406,322,249.34/334,999.40
  6. Step 6: Final answer
    x = 493,751.10

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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.