Home / 377,228.20-520,574.82-207,473.32

Finding the Fourth Proportional to 377,228.20, 520,574.82 and 207,473.32

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Solution

The fourth proportional to 377,228.20, 520,574.82 and 207,473.32 is: 286,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,228.20 : 520,574.82 = 207,473.32 : x
  2. Step 2: Convert to fraction form
    377,228.20/520,574.82 = 207,473.32/x
  3. Step 3: Cross multiply
    377,228.20x = 520,574.82 × 207,473.32
  4. Step 4: Simplify right side
    377,228.20x = 108,005,386,213.80
  5. Step 5: Solve for x
    x = 108,005,386,213.80/377,228.20
  6. Step 6: Final answer
    x = 286,313.13

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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.