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Finding the Fourth Proportional to 289,152.96, 433,751.35 and 89,493.54

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Solution

The fourth proportional to 289,152.96, 433,751.35 and 89,493.54 is: 134,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,152.96 : 433,751.35 = 89,493.54 : x
  2. Step 2: Convert to fraction form
    289,152.96/433,751.35 = 89,493.54/x
  3. Step 3: Cross multiply
    289,152.96x = 433,751.35 × 89,493.54
  4. Step 4: Simplify right side
    289,152.96x = 38,817,941,622.52
  5. Step 5: Solve for x
    x = 38,817,941,622.52/289,152.96
  6. Step 6: Final answer
    x = 134,247.09

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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.