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Finding the Fourth Proportional to 369,274.71, 553,682.43 and 155,932.86

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Solution

The fourth proportional to 369,274.71, 553,682.43 and 155,932.86 is: 233,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,274.71 : 553,682.43 = 155,932.86 : x
  2. Step 2: Convert to fraction form
    369,274.71/553,682.43 = 155,932.86/x
  3. Step 3: Cross multiply
    369,274.71x = 553,682.43 × 155,932.86
  4. Step 4: Simplify right side
    369,274.71x = 86,337,284,841.65
  5. Step 5: Solve for x
    x = 86,337,284,841.65/369,274.71
  6. Step 6: Final answer
    x = 233,802.32

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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.