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Finding the Fourth Proportional to 417,746.76, 576,503.42 and 245,633.64

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Solution

The fourth proportional to 417,746.76, 576,503.42 and 245,633.64 is: 338,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,746.76 : 576,503.42 = 245,633.64 : x
  2. Step 2: Convert to fraction form
    417,746.76/576,503.42 = 245,633.64/x
  3. Step 3: Cross multiply
    417,746.76x = 576,503.42 × 245,633.64
  4. Step 4: Simplify right side
    417,746.76x = 141,608,633,527.05
  5. Step 5: Solve for x
    x = 141,608,633,527.05/417,746.76
  6. Step 6: Final answer
    x = 338,982.00

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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.