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Finding the Fourth Proportional to 453,842.52, 626,297.40 and 249,889.20

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Solution

The fourth proportional to 453,842.52, 626,297.40 and 249,889.20 is: 344,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,842.52 : 626,297.40 = 249,889.20 : x
  2. Step 2: Convert to fraction form
    453,842.52/626,297.40 = 249,889.20/x
  3. Step 3: Cross multiply
    453,842.52x = 626,297.40 × 249,889.20
  4. Step 4: Simplify right side
    453,842.52x = 156,504,956,248.08
  5. Step 5: Solve for x
    x = 156,504,956,248.08/453,842.52
  6. Step 6: Final answer
    x = 344,844.19

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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.