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Finding the Fourth Proportional to 453,663.91, 626,058.45 and 249,735.34

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Solution

The fourth proportional to 453,663.91, 626,058.45 and 249,735.34 is: 344,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,663.91 : 626,058.45 = 249,735.34 : x
  2. Step 2: Convert to fraction form
    453,663.91/626,058.45 = 249,735.34/x
  3. Step 3: Cross multiply
    453,663.91x = 626,058.45 × 249,735.34
  4. Step 4: Simplify right side
    453,663.91x = 156,348,919,870.62
  5. Step 5: Solve for x
    x = 156,348,919,870.62/453,663.91
  6. Step 6: Final answer
    x = 344,636.01

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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.