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Finding the Fourth Proportional to 324,304.64, 447,551.28 and 181,066.40

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Solution

The fourth proportional to 324,304.64, 447,551.28 and 181,066.40 is: 249,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,304.64 : 447,551.28 = 181,066.40 : x
  2. Step 2: Convert to fraction form
    324,304.64/447,551.28 = 181,066.40/x
  3. Step 3: Cross multiply
    324,304.64x = 447,551.28 × 181,066.40
  4. Step 4: Simplify right side
    324,304.64x = 81,036,499,084.99
  5. Step 5: Solve for x
    x = 81,036,499,084.99/324,304.64
  6. Step 6: Final answer
    x = 249,877.70

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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.