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Finding the Fourth Proportional to 551,846.75, 761,551.34 and 322,417.08

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Solution

The fourth proportional to 551,846.75, 761,551.34 and 322,417.08 is: 444,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,846.75 : 761,551.34 = 322,417.08 : x
  2. Step 2: Convert to fraction form
    551,846.75/761,551.34 = 322,417.08/x
  3. Step 3: Cross multiply
    551,846.75x = 761,551.34 × 322,417.08
  4. Step 4: Simplify right side
    551,846.75x = 245,537,157,700.80
  5. Step 5: Solve for x
    x = 245,537,157,700.80/551,846.75
  6. Step 6: Final answer
    x = 444,937.22

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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.