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Finding the Fourth Proportional to 268,055.80, 401,622.90 and 174,513.40

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Solution

The fourth proportional to 268,055.80, 401,622.90 and 174,513.40 is: 261,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,055.80 : 401,622.90 = 174,513.40 : x
  2. Step 2: Convert to fraction form
    268,055.80/401,622.90 = 174,513.40/x
  3. Step 3: Cross multiply
    268,055.80x = 401,622.90 × 174,513.40
  4. Step 4: Simplify right side
    268,055.80x = 70,088,577,796.86
  5. Step 5: Solve for x
    x = 70,088,577,796.86/268,055.80
  6. Step 6: Final answer
    x = 261,470.10

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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.