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Finding the Fourth Proportional to 439,440.02, 606,443.56 and 248,442.02

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Solution

The fourth proportional to 439,440.02, 606,443.56 and 248,442.02 is: 342,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,440.02 : 606,443.56 = 248,442.02 : x
  2. Step 2: Convert to fraction form
    439,440.02/606,443.56 = 248,442.02/x
  3. Step 3: Cross multiply
    439,440.02x = 606,443.56 × 248,442.02
  4. Step 4: Simplify right side
    439,440.02x = 150,666,063,062.39
  5. Step 5: Solve for x
    x = 150,666,063,062.39/439,440.02
  6. Step 6: Final answer
    x = 342,859.22

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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.