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Finding the Fourth Proportional to 594,108.32, 820,168.08 and 387,470.24

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Solution

The fourth proportional to 594,108.32, 820,168.08 and 387,470.24 is: 534,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,108.32 : 820,168.08 = 387,470.24 : x
  2. Step 2: Convert to fraction form
    594,108.32/820,168.08 = 387,470.24/x
  3. Step 3: Cross multiply
    594,108.32x = 820,168.08 × 387,470.24
  4. Step 4: Simplify right side
    594,108.32x = 317,790,722,797.94
  5. Step 5: Solve for x
    x = 317,790,722,797.94/594,108.32
  6. Step 6: Final answer
    x = 534,903.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.