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Finding the Fourth Proportional to 259,043.48, 354,890.81 and 249,335.77

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Solution

The fourth proportional to 259,043.48, 354,890.81 and 249,335.77 is: 341,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,043.48 : 354,890.81 = 249,335.77 : x
  2. Step 2: Convert to fraction form
    259,043.48/354,890.81 = 249,335.77/x
  3. Step 3: Cross multiply
    259,043.48x = 354,890.81 × 249,335.77
  4. Step 4: Simplify right side
    259,043.48x = 88,486,971,866.71
  5. Step 5: Solve for x
    x = 88,486,971,866.71/259,043.48
  6. Step 6: Final answer
    x = 341,591.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.