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Finding the Fourth Proportional to 506,208.96, 759,522.96 and 221,752.56

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Solution

The fourth proportional to 506,208.96, 759,522.96 and 221,752.56 is: 332,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,208.96 : 759,522.96 = 221,752.56 : x
  2. Step 2: Convert to fraction form
    506,208.96/759,522.96 = 221,752.56/x
  3. Step 3: Cross multiply
    506,208.96x = 759,522.96 × 221,752.56
  4. Step 4: Simplify right side
    506,208.96x = 168,426,160,758.78
  5. Step 5: Solve for x
    x = 168,426,160,758.78/506,208.96
  6. Step 6: Final answer
    x = 332,720.62

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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.