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Finding the Fourth Proportional to 401,591.04, 554,154.56 and 240,441.90

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Solution

The fourth proportional to 401,591.04, 554,154.56 and 240,441.90 is: 331,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,591.04 : 554,154.56 = 240,441.90 : x
  2. Step 2: Convert to fraction form
    401,591.04/554,154.56 = 240,441.90/x
  3. Step 3: Cross multiply
    401,591.04x = 554,154.56 × 240,441.90
  4. Step 4: Simplify right side
    401,591.04x = 133,241,975,300.06
  5. Step 5: Solve for x
    x = 133,241,975,300.06/401,591.04
  6. Step 6: Final answer
    x = 331,785.23

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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.