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Finding the Fourth Proportional to 453,833.28, 626,246.64 and 249,881.76

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Solution

The fourth proportional to 453,833.28, 626,246.64 and 249,881.76 is: 344,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,833.28 : 626,246.64 = 249,881.76 : x
  2. Step 2: Convert to fraction form
    453,833.28/626,246.64 = 249,881.76/x
  3. Step 3: Cross multiply
    453,833.28x = 626,246.64 × 249,881.76
  4. Step 4: Simplify right side
    453,833.28x = 156,487,612,597.29
  5. Step 5: Solve for x
    x = 156,487,612,597.29/453,833.28
  6. Step 6: Final answer
    x = 344,813.00

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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.