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Finding the Fourth Proportional to 370,167.44, 510,831.28 and 200,401.64

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Solution

The fourth proportional to 370,167.44, 510,831.28 and 200,401.64 is: 276,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,167.44 : 510,831.28 = 200,401.64 : x
  2. Step 2: Convert to fraction form
    370,167.44/510,831.28 = 200,401.64/x
  3. Step 3: Cross multiply
    370,167.44x = 510,831.28 × 200,401.64
  4. Step 4: Simplify right side
    370,167.44x = 102,371,426,275.30
  5. Step 5: Solve for x
    x = 102,371,426,275.30/370,167.44
  6. Step 6: Final answer
    x = 276,554.38

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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.