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Finding the Fourth Proportional to 453,817.79, 626,263.50 and 249,864.50

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Solution

The fourth proportional to 453,817.79, 626,263.50 and 249,864.50 is: 344,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,817.79 : 626,263.50 = 249,864.50 : x
  2. Step 2: Convert to fraction form
    453,817.79/626,263.50 = 249,864.50/x
  3. Step 3: Cross multiply
    453,817.79x = 626,263.50 × 249,864.50
  4. Step 4: Simplify right side
    453,817.79x = 156,481,016,295.75
  5. Step 5: Solve for x
    x = 156,481,016,295.75/453,817.79
  6. Step 6: Final answer
    x = 344,810.23

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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.