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Finding the Fourth Proportional to 453,821.30, 626,268.32 and 249,868

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Solution

The fourth proportional to 453,821.30, 626,268.32 and 249,868 is: 344,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,821.30 : 626,268.32 = 249,868 : x
  2. Step 2: Convert to fraction form
    453,821.30/626,268.32 = 249,868/x
  3. Step 3: Cross multiply
    453,821.30x = 626,268.32 × 249,868
  4. Step 4: Simplify right side
    453,821.30x = 156,484,412,581.76
  5. Step 5: Solve for x
    x = 156,484,412,581.76/453,821.30
  6. Step 6: Final answer
    x = 344,815.05

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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.