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Finding the Fourth Proportional to 486,814.07, 730,304.14 and 217,040.10

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Solution

The fourth proportional to 486,814.07, 730,304.14 and 217,040.10 is: 325,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,814.07 : 730,304.14 = 217,040.10 : x
  2. Step 2: Convert to fraction form
    486,814.07/730,304.14 = 217,040.10/x
  3. Step 3: Cross multiply
    486,814.07x = 730,304.14 × 217,040.10
  4. Step 4: Simplify right side
    486,814.07x = 158,505,284,677.71
  5. Step 5: Solve for x
    x = 158,505,284,677.71/486,814.07
  6. Step 6: Final answer
    x = 325,597.17

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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.