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Finding the Fourth Proportional to 468,701.71, 646,808.87 and 253,842.01

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Solution

The fourth proportional to 468,701.71, 646,808.87 and 253,842.01 is: 350,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,701.71 : 646,808.87 = 253,842.01 : x
  2. Step 2: Convert to fraction form
    468,701.71/646,808.87 = 253,842.01/x
  3. Step 3: Cross multiply
    468,701.71x = 646,808.87 × 253,842.01
  4. Step 4: Simplify right side
    468,701.71x = 164,187,263,646.63
  5. Step 5: Solve for x
    x = 164,187,263,646.63/468,701.71
  6. Step 6: Final answer
    x = 350,302.25

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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.