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Finding the Fourth Proportional to 589,329.70, 884,059.35 and 215,433.70

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Solution

The fourth proportional to 589,329.70, 884,059.35 and 215,433.70 is: 323,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,329.70 : 884,059.35 = 215,433.70 : x
  2. Step 2: Convert to fraction form
    589,329.70/884,059.35 = 215,433.70/x
  3. Step 3: Cross multiply
    589,329.70x = 884,059.35 × 215,433.70
  4. Step 4: Simplify right side
    589,329.70x = 190,456,176,790.10
  5. Step 5: Solve for x
    x = 190,456,176,790.10/589,329.70
  6. Step 6: Final answer
    x = 323,174.24

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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.