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Finding the Fourth Proportional to 445,585.40, 668,082.90 and 246,001.40

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Solution

The fourth proportional to 445,585.40, 668,082.90 and 246,001.40 is: 368,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,585.40 : 668,082.90 = 246,001.40 : x
  2. Step 2: Convert to fraction form
    445,585.40/668,082.90 = 246,001.40/x
  3. Step 3: Cross multiply
    445,585.40x = 668,082.90 × 246,001.40
  4. Step 4: Simplify right side
    445,585.40x = 164,349,328,716.06
  5. Step 5: Solve for x
    x = 164,349,328,716.06/445,585.40
  6. Step 6: Final answer
    x = 368,839.12

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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.