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Finding the Fourth Proportional to 358,343, 537,592.24 and 109,018.52

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Solution

The fourth proportional to 358,343, 537,592.24 and 109,018.52 is: 163,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,343 : 537,592.24 = 109,018.52 : x
  2. Step 2: Convert to fraction form
    358,343/537,592.24 = 109,018.52/x
  3. Step 3: Cross multiply
    358,343x = 537,592.24 × 109,018.52
  4. Step 4: Simplify right side
    358,343x = 58,607,510,368.28
  5. Step 5: Solve for x
    x = 58,607,510,368.28/358,343
  6. Step 6: Final answer
    x = 163,551.43

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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.