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Finding the Fourth Proportional to 478,578.07, 717,622.93 and 158,616.02

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Solution

The fourth proportional to 478,578.07, 717,622.93 and 158,616.02 is: 237,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,578.07 : 717,622.93 = 158,616.02 : x
  2. Step 2: Convert to fraction form
    478,578.07/717,622.93 = 158,616.02/x
  3. Step 3: Cross multiply
    478,578.07x = 717,622.93 × 158,616.02
  4. Step 4: Simplify right side
    478,578.07x = 113,826,493,017.34
  5. Step 5: Solve for x
    x = 113,826,493,017.34/478,578.07
  6. Step 6: Final answer
    x = 237,843.10

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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.