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Finding the Fourth Proportional to 522,339.34, 783,487.11 and 167,345.50

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Solution

The fourth proportional to 522,339.34, 783,487.11 and 167,345.50 is: 251,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,339.34 : 783,487.11 = 167,345.50 : x
  2. Step 2: Convert to fraction form
    522,339.34/783,487.11 = 167,345.50/x
  3. Step 3: Cross multiply
    522,339.34x = 783,487.11 × 167,345.50
  4. Step 4: Simplify right side
    522,339.34x = 131,113,038,249.07
  5. Step 5: Solve for x
    x = 131,113,038,249.07/522,339.34
  6. Step 6: Final answer
    x = 251,011.23

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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.