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Finding the Fourth Proportional to 468,700.71, 646,807.49 and 253,841.01

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Solution

The fourth proportional to 468,700.71, 646,807.49 and 253,841.01 is: 350,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,700.71 : 646,807.49 = 253,841.01 : x
  2. Step 2: Convert to fraction form
    468,700.71/646,807.49 = 253,841.01/x
  3. Step 3: Cross multiply
    468,700.71x = 646,807.49 × 253,841.01
  4. Step 4: Simplify right side
    468,700.71x = 164,186,266,537.17
  5. Step 5: Solve for x
    x = 164,186,266,537.17/468,700.71
  6. Step 6: Final answer
    x = 350,300.87

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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.