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Finding the Fourth Proportional to 613,448, 846,541.72 and 341,515.90

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Solution

The fourth proportional to 613,448, 846,541.72 and 341,515.90 is: 471,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,448 : 846,541.72 = 341,515.90 : x
  2. Step 2: Convert to fraction form
    613,448/846,541.72 = 341,515.90/x
  3. Step 3: Cross multiply
    613,448x = 846,541.72 × 341,515.90
  4. Step 4: Simplify right side
    613,448x = 289,107,457,393.35
  5. Step 5: Solve for x
    x = 289,107,457,393.35/613,448
  6. Step 6: Final answer
    x = 471,282.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.