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Finding the Fourth Proportional to 245,999.20, 368,221.20 and 176,015.20

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Solution

The fourth proportional to 245,999.20, 368,221.20 and 176,015.20 is: 263,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,999.20 : 368,221.20 = 176,015.20 : x
  2. Step 2: Convert to fraction form
    245,999.20/368,221.20 = 176,015.20/x
  3. Step 3: Cross multiply
    245,999.20x = 368,221.20 × 176,015.20
  4. Step 4: Simplify right side
    245,999.20x = 64,812,528,162.24
  5. Step 5: Solve for x
    x = 64,812,528,162.24/245,999.20
  6. Step 6: Final answer
    x = 263,466.42

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1.5x scale

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.