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Finding the Fourth Proportional to 215,484.84, 297,216.72 and 186,752.52

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Solution

The fourth proportional to 215,484.84, 297,216.72 and 186,752.52 is: 257,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,484.84 : 297,216.72 = 186,752.52 : x
  2. Step 2: Convert to fraction form
    215,484.84/297,216.72 = 186,752.52/x
  3. Step 3: Cross multiply
    215,484.84x = 297,216.72 × 186,752.52
  4. Step 4: Simplify right side
    215,484.84x = 55,505,971,446.13
  5. Step 5: Solve for x
    x = 55,505,971,446.13/215,484.84
  6. Step 6: Final answer
    x = 257,586.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.