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Finding the Fourth Proportional to 252,068.40, 377,665.20 and 163,276.20

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Solution

The fourth proportional to 252,068.40, 377,665.20 and 163,276.20 is: 244,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,068.40 : 377,665.20 = 163,276.20 : x
  2. Step 2: Convert to fraction form
    252,068.40/377,665.20 = 163,276.20/x
  3. Step 3: Cross multiply
    252,068.40x = 377,665.20 × 163,276.20
  4. Step 4: Simplify right side
    252,068.40x = 61,663,738,728.24
  5. Step 5: Solve for x
    x = 61,663,738,728.24/252,068.40
  6. Step 6: Final answer
    x = 244,630.98

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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.