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Finding the Fourth Proportional to 476,111.52, 713,232.54 and 276,011.28

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Solution

The fourth proportional to 476,111.52, 713,232.54 and 276,011.28 is: 413,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,111.52 : 713,232.54 = 276,011.28 : x
  2. Step 2: Convert to fraction form
    476,111.52/713,232.54 = 276,011.28/x
  3. Step 3: Cross multiply
    476,111.52x = 713,232.54 × 276,011.28
  4. Step 4: Simplify right side
    476,111.52x = 196,860,226,303.05
  5. Step 5: Solve for x
    x = 196,860,226,303.05/476,111.52
  6. Step 6: Final answer
    x = 413,475.03

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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.