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Finding the Fourth Proportional to 307,062.20, 459,937.20 and 254,574.20

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Solution

The fourth proportional to 307,062.20, 459,937.20 and 254,574.20 is: 381,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,062.20 : 459,937.20 = 254,574.20 : x
  2. Step 2: Convert to fraction form
    307,062.20/459,937.20 = 254,574.20/x
  3. Step 3: Cross multiply
    307,062.20x = 459,937.20 × 254,574.20
  4. Step 4: Simplify right side
    307,062.20x = 117,088,144,740.24
  5. Step 5: Solve for x
    x = 117,088,144,740.24/307,062.20
  6. Step 6: Final answer
    x = 381,317.35

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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.