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Finding the Fourth Proportional to 1,225.03, 1,837.01 and 444.77

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Solution

The fourth proportional to 1,225.03, 1,837.01 and 444.77 is: 666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.03 : 1,837.01 = 444.77 : x
  2. Step 2: Convert to fraction form
    1,225.03/1,837.01 = 444.77/x
  3. Step 3: Cross multiply
    1,225.03x = 1,837.01 × 444.77
  4. Step 4: Simplify right side
    1,225.03x = 817,051.77
  5. Step 5: Solve for x
    x = 817,051.77/1,225.03
  6. Step 6: Final answer
    x = 666.96

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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.