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Finding the Fourth Proportional to 358,423.58, 537,622.62 and 156,019.37

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Solution

The fourth proportional to 358,423.58, 537,622.62 and 156,019.37 is: 234,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,423.58 : 537,622.62 = 156,019.37 : x
  2. Step 2: Convert to fraction form
    358,423.58/537,622.62 = 156,019.37/x
  3. Step 3: Cross multiply
    358,423.58x = 537,622.62 × 156,019.37
  4. Step 4: Simplify right side
    358,423.58x = 83,879,539,196.96
  5. Step 5: Solve for x
    x = 83,879,539,196.96/358,423.58
  6. Step 6: Final answer
    x = 234,023.49

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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.