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Finding the Fourth Proportional to 306,373.66, 459,499.62 and 291,183.46

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Solution

The fourth proportional to 306,373.66, 459,499.62 and 291,183.46 is: 436,717.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,373.66 : 459,499.62 = 291,183.46 : x
  2. Step 2: Convert to fraction form
    306,373.66/459,499.62 = 291,183.46/x
  3. Step 3: Cross multiply
    306,373.66x = 459,499.62 × 291,183.46
  4. Step 4: Simplify right side
    306,373.66x = 133,798,689,220.29
  5. Step 5: Solve for x
    x = 133,798,689,220.29/306,373.66
  6. Step 6: Final answer
    x = 436,717.34

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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.