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Finding the Fourth Proportional to 453,832.81, 626,284.10 and 249,879.57

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Solution

The fourth proportional to 453,832.81, 626,284.10 and 249,879.57 is: 344,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,832.81 : 626,284.10 = 249,879.57 : x
  2. Step 2: Convert to fraction form
    453,832.81/626,284.10 = 249,879.57/x
  3. Step 3: Cross multiply
    453,832.81x = 626,284.10 × 249,879.57
  4. Step 4: Simplify right side
    453,832.81x = 156,495,599,881.97
  5. Step 5: Solve for x
    x = 156,495,599,881.97/453,832.81
  6. Step 6: Final answer
    x = 344,830.95

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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.