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Finding the Fourth Proportional to 334,934.60, 502,401.90 and 113,318.60

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Solution

The fourth proportional to 334,934.60, 502,401.90 and 113,318.60 is: 169,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,934.60 : 502,401.90 = 113,318.60 : x
  2. Step 2: Convert to fraction form
    334,934.60/502,401.90 = 113,318.60/x
  3. Step 3: Cross multiply
    334,934.60x = 502,401.90 × 113,318.60
  4. Step 4: Simplify right side
    334,934.60x = 56,931,479,945.34
  5. Step 5: Solve for x
    x = 56,931,479,945.34/334,934.60
  6. Step 6: Final answer
    x = 169,977.90

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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.