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Finding the Fourth Proportional to 576,493.27, 860,955.10 and 491,346.07

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Solution

The fourth proportional to 576,493.27, 860,955.10 and 491,346.07 is: 733,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,493.27 : 860,955.10 = 491,346.07 : x
  2. Step 2: Convert to fraction form
    576,493.27/860,955.10 = 491,346.07/x
  3. Step 3: Cross multiply
    576,493.27x = 860,955.10 × 491,346.07
  4. Step 4: Simplify right side
    576,493.27x = 423,026,904,831.46
  5. Step 5: Solve for x
    x = 423,026,904,831.46/576,493.27
  6. Step 6: Final answer
    x = 733,793.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.