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Finding the Fourth Proportional to 418,633.32, 577,643.88 and 246,585.54

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Solution

The fourth proportional to 418,633.32, 577,643.88 and 246,585.54 is: 340,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,633.32 : 577,643.88 = 246,585.54 : x
  2. Step 2: Convert to fraction form
    418,633.32/577,643.88 = 246,585.54/x
  3. Step 3: Cross multiply
    418,633.32x = 577,643.88 × 246,585.54
  4. Step 4: Simplify right side
    418,633.32x = 142,438,628,077.50
  5. Step 5: Solve for x
    x = 142,438,628,077.50/418,633.32
  6. Step 6: Final answer
    x = 340,246.75

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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.