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Finding the Fourth Proportional to 439,397.49, 606,360.51 and 248,410.94

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Solution

The fourth proportional to 439,397.49, 606,360.51 and 248,410.94 is: 342,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,397.49 : 606,360.51 = 248,410.94 : x
  2. Step 2: Convert to fraction form
    439,397.49/606,360.51 = 248,410.94/x
  3. Step 3: Cross multiply
    439,397.49x = 606,360.51 × 248,410.94
  4. Step 4: Simplify right side
    439,397.49x = 150,626,581,236.18
  5. Step 5: Solve for x
    x = 150,626,581,236.18/439,397.49
  6. Step 6: Final answer
    x = 342,802.55

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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.