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Finding the Fourth Proportional to 677,336.88, 934,755.24 and 386,973.84

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Solution

The fourth proportional to 677,336.88, 934,755.24 and 386,973.84 is: 534,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,336.88 : 934,755.24 = 386,973.84 : x
  2. Step 2: Convert to fraction form
    677,336.88/934,755.24 = 386,973.84/x
  3. Step 3: Cross multiply
    677,336.88x = 934,755.24 × 386,973.84
  4. Step 4: Simplify right side
    677,336.88x = 361,725,824,682.92
  5. Step 5: Solve for x
    x = 361,725,824,682.92/677,336.88
  6. Step 6: Final answer
    x = 534,041.24

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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.