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Finding the Fourth Proportional to 385,332.63, 578,165.02 and 160,737.30

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Solution

The fourth proportional to 385,332.63, 578,165.02 and 160,737.30 is: 241,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,332.63 : 578,165.02 = 160,737.30 : x
  2. Step 2: Convert to fraction form
    385,332.63/578,165.02 = 160,737.30/x
  3. Step 3: Cross multiply
    385,332.63x = 578,165.02 × 160,737.30
  4. Step 4: Simplify right side
    385,332.63x = 92,932,684,269.25
  5. Step 5: Solve for x
    x = 92,932,684,269.25/385,332.63
  6. Step 6: Final answer
    x = 241,175.23

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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.