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Finding the Fourth Proportional to 1,046.86, 1,444.66 and 574.77

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Solution

The fourth proportional to 1,046.86, 1,444.66 and 574.77 is: 793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.86 : 1,444.66 = 574.77 : x
  2. Step 2: Convert to fraction form
    1,046.86/1,444.66 = 574.77/x
  3. Step 3: Cross multiply
    1,046.86x = 1,444.66 × 574.77
  4. Step 4: Simplify right side
    1,046.86x = 830,341.44
  5. Step 5: Solve for x
    x = 830,341.44/1,046.86
  6. Step 6: Final answer
    x = 793.17

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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.