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Finding the Fourth Proportional to 375,446.42, 563,051.84 and 122,669.32

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Solution

The fourth proportional to 375,446.42, 563,051.84 and 122,669.32 is: 183,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,446.42 : 563,051.84 = 122,669.32 : x
  2. Step 2: Convert to fraction form
    375,446.42/563,051.84 = 122,669.32/x
  3. Step 3: Cross multiply
    375,446.42x = 563,051.84 × 122,669.32
  4. Step 4: Simplify right side
    375,446.42x = 69,069,186,337.55
  5. Step 5: Solve for x
    x = 69,069,186,337.55/375,446.42
  6. Step 6: Final answer
    x = 183,965.49

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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.