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Finding the Fourth Proportional to 536,901.32, 805,393.20 and 176,932.16

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Solution

The fourth proportional to 536,901.32, 805,393.20 and 176,932.16 is: 265,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,901.32 : 805,393.20 = 176,932.16 : x
  2. Step 2: Convert to fraction form
    536,901.32/805,393.20 = 176,932.16/x
  3. Step 3: Cross multiply
    536,901.32x = 805,393.20 × 176,932.16
  4. Step 4: Simplify right side
    536,901.32x = 142,499,958,525.31
  5. Step 5: Solve for x
    x = 142,499,958,525.31/536,901.32
  6. Step 6: Final answer
    x = 265,411.82

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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.