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Finding the Fourth Proportional to 304,318.20, 456,477.30 and 186,220.20

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Solution

The fourth proportional to 304,318.20, 456,477.30 and 186,220.20 is: 279,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,318.20 : 456,477.30 = 186,220.20 : x
  2. Step 2: Convert to fraction form
    304,318.20/456,477.30 = 186,220.20/x
  3. Step 3: Cross multiply
    304,318.20x = 456,477.30 × 186,220.20
  4. Step 4: Simplify right side
    304,318.20x = 85,005,294,101.46
  5. Step 5: Solve for x
    x = 85,005,294,101.46/304,318.20
  6. Step 6: Final answer
    x = 279,330.30

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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.