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Finding the Fourth Proportional to 536,153.28, 803,005.06 and 255,867.36

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Solution

The fourth proportional to 536,153.28, 803,005.06 and 255,867.36 is: 383,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,153.28 : 803,005.06 = 255,867.36 : x
  2. Step 2: Convert to fraction form
    536,153.28/803,005.06 = 255,867.36/x
  3. Step 3: Cross multiply
    536,153.28x = 803,005.06 × 255,867.36
  4. Step 4: Simplify right side
    536,153.28x = 205,462,784,768.84
  5. Step 5: Solve for x
    x = 205,462,784,768.84/536,153.28
  6. Step 6: Final answer
    x = 383,216.50

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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.