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Finding the Fourth Proportional to 249,418.54, 344,310.90 and 158,898.64

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Solution

The fourth proportional to 249,418.54, 344,310.90 and 158,898.64 is: 219,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,418.54 : 344,310.90 = 158,898.64 : x
  2. Step 2: Convert to fraction form
    249,418.54/344,310.90 = 158,898.64/x
  3. Step 3: Cross multiply
    249,418.54x = 344,310.90 × 158,898.64
  4. Step 4: Simplify right side
    249,418.54x = 54,710,533,747.18
  5. Step 5: Solve for x
    x = 54,710,533,747.18/249,418.54
  6. Step 6: Final answer
    x = 219,352.31

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1.5x scale

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.