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Finding the Fourth Proportional to 476,441.56, 713,728.02 and 276,341.56

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Solution

The fourth proportional to 476,441.56, 713,728.02 and 276,341.56 is: 413,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,441.56 : 713,728.02 = 276,341.56 : x
  2. Step 2: Convert to fraction form
    476,441.56/713,728.02 = 276,341.56/x
  3. Step 3: Cross multiply
    476,441.56x = 713,728.02 × 276,341.56
  4. Step 4: Simplify right side
    476,441.56x = 197,232,714,462.51
  5. Step 5: Solve for x
    x = 197,232,714,462.51/476,441.56
  6. Step 6: Final answer
    x = 413,970.42

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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.