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Finding the Fourth Proportional to 217,260.58, 299,505.62 and 152,532.76

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Solution

The fourth proportional to 217,260.58, 299,505.62 and 152,532.76 is: 210,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,260.58 : 299,505.62 = 152,532.76 : x
  2. Step 2: Convert to fraction form
    217,260.58/299,505.62 = 152,532.76/x
  3. Step 3: Cross multiply
    217,260.58x = 299,505.62 × 152,532.76
  4. Step 4: Simplify right side
    217,260.58x = 45,684,418,854.11
  5. Step 5: Solve for x
    x = 45,684,418,854.11/217,260.58
  6. Step 6: Final answer
    x = 210,274.77

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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.