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Finding the Fourth Proportional to 283,419.52, 423,055.71 and 249,790.46

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Solution

The fourth proportional to 283,419.52, 423,055.71 and 249,790.46 is: 372,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,419.52 : 423,055.71 = 249,790.46 : x
  2. Step 2: Convert to fraction form
    283,419.52/423,055.71 = 249,790.46/x
  3. Step 3: Cross multiply
    283,419.52x = 423,055.71 × 249,790.46
  4. Step 4: Simplify right side
    283,419.52x = 105,675,278,291.25
  5. Step 5: Solve for x
    x = 105,675,278,291.25/283,419.52
  6. Step 6: Final answer
    x = 372,858.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.