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Finding the Fourth Proportional to 334,424.10, 501,636.15 and 156,949.05

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Solution

The fourth proportional to 334,424.10, 501,636.15 and 156,949.05 is: 235,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,424.10 : 501,636.15 = 156,949.05 : x
  2. Step 2: Convert to fraction form
    334,424.10/501,636.15 = 156,949.05/x
  3. Step 3: Cross multiply
    334,424.10x = 501,636.15 × 156,949.05
  4. Step 4: Simplify right side
    334,424.10x = 78,731,317,188.16
  5. Step 5: Solve for x
    x = 78,731,317,188.16/334,424.10
  6. Step 6: Final answer
    x = 235,423.58

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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.