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Finding the Fourth Proportional to 367,417.26, 551,152.62 and 153,970.92

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Solution

The fourth proportional to 367,417.26, 551,152.62 and 153,970.92 is: 230,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,417.26 : 551,152.62 = 153,970.92 : x
  2. Step 2: Convert to fraction form
    367,417.26/551,152.62 = 153,970.92/x
  3. Step 3: Cross multiply
    367,417.26x = 551,152.62 × 153,970.92
  4. Step 4: Simplify right side
    367,417.26x = 84,861,475,961.81
  5. Step 5: Solve for x
    x = 84,861,475,961.81/367,417.26
  6. Step 6: Final answer
    x = 230,967.58

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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.