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Finding the Fourth Proportional to 355,575.76, 533,346.32 and 89,330.24

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Solution

The fourth proportional to 355,575.76, 533,346.32 and 89,330.24 is: 133,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,575.76 : 533,346.32 = 89,330.24 : x
  2. Step 2: Convert to fraction form
    355,575.76/533,346.32 = 89,330.24/x
  3. Step 3: Cross multiply
    355,575.76x = 533,346.32 × 89,330.24
  4. Step 4: Simplify right side
    355,575.76x = 47,643,954,768.72
  5. Step 5: Solve for x
    x = 47,643,954,768.72/355,575.76
  6. Step 6: Final answer
    x = 133,991.01

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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.