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Finding the Fourth Proportional to 504,880.64, 757,061.76 and 167,799.68

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Solution

The fourth proportional to 504,880.64, 757,061.76 and 167,799.68 is: 251,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,880.64 : 757,061.76 = 167,799.68 : x
  2. Step 2: Convert to fraction form
    504,880.64/757,061.76 = 167,799.68/x
  3. Step 3: Cross multiply
    504,880.64x = 757,061.76 × 167,799.68
  4. Step 4: Simplify right side
    504,880.64x = 127,034,721,068.24
  5. Step 5: Solve for x
    x = 127,034,721,068.24/504,880.64
  6. Step 6: Final answer
    x = 251,613.37

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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.