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Finding the Fourth Proportional to 308,295.40, 462,443.10 and 160,532.20

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Solution

The fourth proportional to 308,295.40, 462,443.10 and 160,532.20 is: 240,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,295.40 : 462,443.10 = 160,532.20 : x
  2. Step 2: Convert to fraction form
    308,295.40/462,443.10 = 160,532.20/x
  3. Step 3: Cross multiply
    308,295.40x = 462,443.10 × 160,532.20
  4. Step 4: Simplify right side
    308,295.40x = 74,237,008,217.82
  5. Step 5: Solve for x
    x = 74,237,008,217.82/308,295.40
  6. Step 6: Final answer
    x = 240,798.30

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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.