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Finding the Fourth Proportional to 619,249.50, 929,030.31 and 176,017.50

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Solution

The fourth proportional to 619,249.50, 929,030.31 and 176,017.50 is: 264,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,249.50 : 929,030.31 = 176,017.50 : x
  2. Step 2: Convert to fraction form
    619,249.50/929,030.31 = 176,017.50/x
  3. Step 3: Cross multiply
    619,249.50x = 929,030.31 × 176,017.50
  4. Step 4: Simplify right side
    619,249.50x = 163,525,592,590.43
  5. Step 5: Solve for x
    x = 163,525,592,590.43/619,249.50
  6. Step 6: Final answer
    x = 264,070.61

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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.