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Finding the Fourth Proportional to 304,657.20, 456,985.80 and 216,010.80

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Solution

The fourth proportional to 304,657.20, 456,985.80 and 216,010.80 is: 324,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,657.20 : 456,985.80 = 216,010.80 : x
  2. Step 2: Convert to fraction form
    304,657.20/456,985.80 = 216,010.80/x
  3. Step 3: Cross multiply
    304,657.20x = 456,985.80 × 216,010.80
  4. Step 4: Simplify right side
    304,657.20x = 98,713,868,246.64
  5. Step 5: Solve for x
    x = 98,713,868,246.64/304,657.20
  6. Step 6: Final answer
    x = 324,016.20

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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.