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Finding the Fourth Proportional to 263,363.81, 363,693.08 and 249,018.17

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Solution

The fourth proportional to 263,363.81, 363,693.08 and 249,018.17 is: 343,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,363.81 : 363,693.08 = 249,018.17 : x
  2. Step 2: Convert to fraction form
    263,363.81/363,693.08 = 249,018.17/x
  3. Step 3: Cross multiply
    263,363.81x = 363,693.08 × 249,018.17
  4. Step 4: Simplify right side
    263,363.81x = 90,566,184,027.34
  5. Step 5: Solve for x
    x = 90,566,184,027.34/263,363.81
  6. Step 6: Final answer
    x = 343,882.43

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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.