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Finding the Fourth Proportional to 249,245.62, 343,093.06 and 217,359.16

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Solution

The fourth proportional to 249,245.62, 343,093.06 and 217,359.16 is: 299,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,245.62 : 343,093.06 = 217,359.16 : x
  2. Step 2: Convert to fraction form
    249,245.62/343,093.06 = 217,359.16/x
  3. Step 3: Cross multiply
    249,245.62x = 343,093.06 × 217,359.16
  4. Step 4: Simplify right side
    249,245.62x = 74,574,420,023.99
  5. Step 5: Solve for x
    x = 74,574,420,023.99/249,245.62
  6. Step 6: Final answer
    x = 299,200.52

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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.