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Finding the Fourth Proportional to 306,021.92, 459,032.96 and 95,661.76

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Solution

The fourth proportional to 306,021.92, 459,032.96 and 95,661.76 is: 143,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,021.92 : 459,032.96 = 95,661.76 : x
  2. Step 2: Convert to fraction form
    306,021.92/459,032.96 = 95,661.76/x
  3. Step 3: Cross multiply
    306,021.92x = 459,032.96 × 95,661.76
  4. Step 4: Simplify right side
    306,021.92x = 43,911,900,851.61
  5. Step 5: Solve for x
    x = 43,911,900,851.61/306,021.92
  6. Step 6: Final answer
    x = 143,492.67

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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.