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Finding the Fourth Proportional to 478,048.29, 717,515.91 and 241,557.06

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Solution

The fourth proportional to 478,048.29, 717,515.91 and 241,557.06 is: 362,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,048.29 : 717,515.91 = 241,557.06 : x
  2. Step 2: Convert to fraction form
    478,048.29/717,515.91 = 241,557.06/x
  3. Step 3: Cross multiply
    478,048.29x = 717,515.91 × 241,557.06
  4. Step 4: Simplify right side
    478,048.29x = 173,321,033,722.83
  5. Step 5: Solve for x
    x = 173,321,033,722.83/478,048.29
  6. Step 6: Final answer
    x = 362,559.68

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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.