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Finding the Fourth Proportional to 482,445.90, 724,014.45 and 202,164.30

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Solution

The fourth proportional to 482,445.90, 724,014.45 and 202,164.30 is: 303,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,445.90 : 724,014.45 = 202,164.30 : x
  2. Step 2: Convert to fraction form
    482,445.90/724,014.45 = 202,164.30/x
  3. Step 3: Cross multiply
    482,445.90x = 724,014.45 × 202,164.30
  4. Step 4: Simplify right side
    482,445.90x = 146,369,874,474.14
  5. Step 5: Solve for x
    x = 146,369,874,474.14/482,445.90
  6. Step 6: Final answer
    x = 303,391.27

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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.