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Finding the Fourth Proportional to 314,689.95, 472,035.38 and 240,232.85

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Solution

The fourth proportional to 314,689.95, 472,035.38 and 240,232.85 is: 360,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,689.95 : 472,035.38 = 240,232.85 : x
  2. Step 2: Convert to fraction form
    314,689.95/472,035.38 = 240,232.85/x
  3. Step 3: Cross multiply
    314,689.95x = 472,035.38 × 240,232.85
  4. Step 4: Simplify right side
    314,689.95x = 113,398,401,076.89
  5. Step 5: Solve for x
    x = 113,398,401,076.89/314,689.95
  6. Step 6: Final answer
    x = 360,349.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.