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Finding the Fourth Proportional to 851,496, 1,277,244.06 and 346,331.76

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Solution

The fourth proportional to 851,496, 1,277,244.06 and 346,331.76 is: 519,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,496 : 1,277,244.06 = 346,331.76 : x
  2. Step 2: Convert to fraction form
    851,496/1,277,244.06 = 346,331.76/x
  3. Step 3: Cross multiply
    851,496x = 1,277,244.06 × 346,331.76
  4. Step 4: Simplify right side
    851,496x = 442,350,183,249.35
  5. Step 5: Solve for x
    x = 442,350,183,249.35/851,496
  6. Step 6: Final answer
    x = 519,497.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.