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Finding the Fourth Proportional to 453,816.79, 626,262.12 and 249,863.50

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Solution

The fourth proportional to 453,816.79, 626,262.12 and 249,863.50 is: 344,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,816.79 : 626,262.12 = 249,863.50 : x
  2. Step 2: Convert to fraction form
    453,816.79/626,262.12 = 249,863.50/x
  3. Step 3: Cross multiply
    453,816.79x = 626,262.12 × 249,863.50
  4. Step 4: Simplify right side
    453,816.79x = 156,480,043,010.03
  5. Step 5: Solve for x
    x = 156,480,043,010.03/453,816.79
  6. Step 6: Final answer
    x = 344,808.85

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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.