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Finding the Fourth Proportional to 259,645.50, 358,267.51 and 173,466.31

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Solution

The fourth proportional to 259,645.50, 358,267.51 and 173,466.31 is: 239,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,645.50 : 358,267.51 = 173,466.31 : x
  2. Step 2: Convert to fraction form
    259,645.50/358,267.51 = 173,466.31/x
  3. Step 3: Cross multiply
    259,645.50x = 358,267.51 × 173,466.31
  4. Step 4: Simplify right side
    259,645.50x = 62,147,341,969.76
  5. Step 5: Solve for x
    x = 62,147,341,969.76/259,645.50
  6. Step 6: Final answer
    x = 239,354.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.