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Finding the Fourth Proportional to 453,017.90, 625,165.95 and 249,089.67

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Solution

The fourth proportional to 453,017.90, 625,165.95 and 249,089.67 is: 343,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,017.90 : 625,165.95 = 249,089.67 : x
  2. Step 2: Convert to fraction form
    453,017.90/625,165.95 = 249,089.67/x
  3. Step 3: Cross multiply
    453,017.90x = 625,165.95 × 249,089.67
  4. Step 4: Simplify right side
    453,017.90x = 155,722,380,180.74
  5. Step 5: Solve for x
    x = 155,722,380,180.74/453,017.90
  6. Step 6: Final answer
    x = 343,744.43

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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.