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Finding the Fourth Proportional to 500,666.19, 751,045.46 and 163,708.57

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Solution

The fourth proportional to 500,666.19, 751,045.46 and 163,708.57 is: 245,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,666.19 : 751,045.46 = 163,708.57 : x
  2. Step 2: Convert to fraction form
    500,666.19/751,045.46 = 163,708.57/x
  3. Step 3: Cross multiply
    500,666.19x = 751,045.46 × 163,708.57
  4. Step 4: Simplify right side
    500,666.19x = 122,952,577,443.05
  5. Step 5: Solve for x
    x = 122,952,577,443.05/500,666.19
  6. Step 6: Final answer
    x = 245,577.95

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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.