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Finding the Fourth Proportional to 255,705.81, 384,399.58 and 237,209.15

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Solution

The fourth proportional to 255,705.81, 384,399.58 and 237,209.15 is: 356,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,705.81 : 384,399.58 = 237,209.15 : x
  2. Step 2: Convert to fraction form
    255,705.81/384,399.58 = 237,209.15/x
  3. Step 3: Cross multiply
    255,705.81x = 384,399.58 × 237,209.15
  4. Step 4: Simplify right side
    255,705.81x = 91,183,097,632.16
  5. Step 5: Solve for x
    x = 91,183,097,632.16/255,705.81
  6. Step 6: Final answer
    x = 356,593.77

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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.