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Finding the Fourth Proportional to 499,368.51, 748,897.25 and 166,866.75

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Solution

The fourth proportional to 499,368.51, 748,897.25 and 166,866.75 is: 250,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,368.51 : 748,897.25 = 166,866.75 : x
  2. Step 2: Convert to fraction form
    499,368.51/748,897.25 = 166,866.75/x
  3. Step 3: Cross multiply
    499,368.51x = 748,897.25 × 166,866.75
  4. Step 4: Simplify right side
    499,368.51x = 124,966,049,357.10
  5. Step 5: Solve for x
    x = 124,966,049,357.10/499,368.51
  6. Step 6: Final answer
    x = 250,248.16

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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.