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Finding the Fourth Proportional to 334,517.70, 501,776.55 and 307,560.90

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Solution

The fourth proportional to 334,517.70, 501,776.55 and 307,560.90 is: 461,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,517.70 : 501,776.55 = 307,560.90 : x
  2. Step 2: Convert to fraction form
    334,517.70/501,776.55 = 307,560.90/x
  3. Step 3: Cross multiply
    334,517.70x = 501,776.55 × 307,560.90
  4. Step 4: Simplify right side
    334,517.70x = 154,326,847,316.90
  5. Step 5: Solve for x
    x = 154,326,847,316.90/334,517.70
  6. Step 6: Final answer
    x = 461,341.35

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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.