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Finding the Fourth Proportional to 355,742.50, 533,574.24 and 89,502.88

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Solution

The fourth proportional to 355,742.50, 533,574.24 and 89,502.88 is: 134,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,742.50 : 533,574.24 = 89,502.88 : x
  2. Step 2: Convert to fraction form
    355,742.50/533,574.24 = 89,502.88/x
  3. Step 3: Cross multiply
    355,742.50x = 533,574.24 × 89,502.88
  4. Step 4: Simplify right side
    355,742.50x = 47,756,431,173.81
  5. Step 5: Solve for x
    x = 47,756,431,173.81/355,742.50
  6. Step 6: Final answer
    x = 134,244.38

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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.