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Finding the Fourth Proportional to 268,214.97, 370,157.46 and 153,529.64

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Solution

The fourth proportional to 268,214.97, 370,157.46 and 153,529.64 is: 211,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,214.97 : 370,157.46 = 153,529.64 : x
  2. Step 2: Convert to fraction form
    268,214.97/370,157.46 = 153,529.64/x
  3. Step 3: Cross multiply
    268,214.97x = 370,157.46 × 153,529.64
  4. Step 4: Simplify right side
    268,214.97x = 56,830,140,538.68
  5. Step 5: Solve for x
    x = 56,830,140,538.68/268,214.97
  6. Step 6: Final answer
    x = 211,882.80

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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.