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Finding the Fourth Proportional to 304,468.20, 427,188.60 and 304,468.20

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Solution

The fourth proportional to 304,468.20, 427,188.60 and 304,468.20 is: 427,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,468.20 : 427,188.60 = 304,468.20 : x
  2. Step 2: Convert to fraction form
    304,468.20/427,188.60 = 304,468.20/x
  3. Step 3: Cross multiply
    304,468.20x = 427,188.60 × 304,468.20
  4. Step 4: Simplify right side
    304,468.20x = 130,065,344,102.52
  5. Step 5: Solve for x
    x = 130,065,344,102.52/304,468.20
  6. Step 6: Final answer
    x = 427,188.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.