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Finding the Fourth Proportional to 536,785.32, 741,017.37 and 340,650.40

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Solution

The fourth proportional to 536,785.32, 741,017.37 and 340,650.40 is: 470,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,785.32 : 741,017.37 = 340,650.40 : x
  2. Step 2: Convert to fraction form
    536,785.32/741,017.37 = 340,650.40/x
  3. Step 3: Cross multiply
    536,785.32x = 741,017.37 × 340,650.40
  4. Step 4: Simplify right side
    536,785.32x = 252,427,859,792.36
  5. Step 5: Solve for x
    x = 252,427,859,792.36/536,785.32
  6. Step 6: Final answer
    x = 470,258.50

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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.