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Finding the Fourth Proportional to 517,868.06, 776,303.87 and 265,267.52

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Solution

The fourth proportional to 517,868.06, 776,303.87 and 265,267.52 is: 397,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,868.06 : 776,303.87 = 265,267.52 : x
  2. Step 2: Convert to fraction form
    517,868.06/776,303.87 = 265,267.52/x
  3. Step 3: Cross multiply
    517,868.06x = 776,303.87 × 265,267.52
  4. Step 4: Simplify right side
    517,868.06x = 205,928,197,153.45
  5. Step 5: Solve for x
    x = 205,928,197,153.45/517,868.06
  6. Step 6: Final answer
    x = 397,646.06

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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.