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Finding the Fourth Proportional to 249,298.50, 343,857.34 and 168,690.54

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Solution

The fourth proportional to 249,298.50, 343,857.34 and 168,690.54 is: 232,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,298.50 : 343,857.34 = 168,690.54 : x
  2. Step 2: Convert to fraction form
    249,298.50/343,857.34 = 168,690.54/x
  3. Step 3: Cross multiply
    249,298.50x = 343,857.34 × 168,690.54
  4. Step 4: Simplify right side
    249,298.50x = 58,005,480,367.56
  5. Step 5: Solve for x
    x = 58,005,480,367.56/249,298.50
  6. Step 6: Final answer
    x = 232,674.81

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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.