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Finding the Fourth Proportional to 439,924, 606,953.88 and 246,303.12

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Solution

The fourth proportional to 439,924, 606,953.88 and 246,303.12 is: 339,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,924 : 606,953.88 = 246,303.12 : x
  2. Step 2: Convert to fraction form
    439,924/606,953.88 = 246,303.12/x
  3. Step 3: Cross multiply
    439,924x = 606,953.88 × 246,303.12
  4. Step 4: Simplify right side
    439,924x = 149,494,634,340.11
  5. Step 5: Solve for x
    x = 149,494,634,340.11/439,924
  6. Step 6: Final answer
    x = 339,819.23

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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.