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Finding the Fourth Proportional to 252,693.64, 379,038.60 and 102,898.72

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Solution

The fourth proportional to 252,693.64, 379,038.60 and 102,898.72 is: 154,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,693.64 : 379,038.60 = 102,898.72 : x
  2. Step 2: Convert to fraction form
    252,693.64/379,038.60 = 102,898.72/x
  3. Step 3: Cross multiply
    252,693.64x = 379,038.60 × 102,898.72
  4. Step 4: Simplify right side
    252,693.64x = 39,002,586,770.59
  5. Step 5: Solve for x
    x = 39,002,586,770.59/252,693.64
  6. Step 6: Final answer
    x = 154,347.32

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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.