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Finding the Fourth Proportional to 439,774.90, 606,838.16 and 246,193.20

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Solution

The fourth proportional to 439,774.90, 606,838.16 and 246,193.20 is: 339,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,774.90 : 606,838.16 = 246,193.20 : x
  2. Step 2: Convert to fraction form
    439,774.90/606,838.16 = 246,193.20/x
  3. Step 3: Cross multiply
    439,774.90x = 606,838.16 × 246,193.20
  4. Step 4: Simplify right side
    439,774.90x = 149,399,428,492.51
  5. Step 5: Solve for x
    x = 149,399,428,492.51/439,774.90
  6. Step 6: Final answer
    x = 339,717.95

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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.