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Finding the Fourth Proportional to 334,561.20, 501,841.80 and 307,604.40

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Solution

The fourth proportional to 334,561.20, 501,841.80 and 307,604.40 is: 461,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,561.20 : 501,841.80 = 307,604.40 : x
  2. Step 2: Convert to fraction form
    334,561.20/501,841.80 = 307,604.40/x
  3. Step 3: Cross multiply
    334,561.20x = 501,841.80 × 307,604.40
  4. Step 4: Simplify right side
    334,561.20x = 154,368,745,783.92
  5. Step 5: Solve for x
    x = 154,368,745,783.92/334,561.20
  6. Step 6: Final answer
    x = 461,406.60

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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.