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Finding the Fourth Proportional to 630,434.22, 945,549.82 and 181,052.88

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Solution

The fourth proportional to 630,434.22, 945,549.82 and 181,052.88 is: 271,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,434.22 : 945,549.82 = 181,052.88 : x
  2. Step 2: Convert to fraction form
    630,434.22/945,549.82 = 181,052.88/x
  3. Step 3: Cross multiply
    630,434.22x = 945,549.82 × 181,052.88
  4. Step 4: Simplify right side
    630,434.22x = 171,194,518,094.48
  5. Step 5: Solve for x
    x = 171,194,518,094.48/630,434.22
  6. Step 6: Final answer
    x = 271,550.17

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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.