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Finding the Fourth Proportional to 536,807.40, 805,312.62 and 176,998.92

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Solution

The fourth proportional to 536,807.40, 805,312.62 and 176,998.92 is: 265,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,807.40 : 805,312.62 = 176,998.92 : x
  2. Step 2: Convert to fraction form
    536,807.40/805,312.62 = 176,998.92/x
  3. Step 3: Cross multiply
    536,807.40x = 805,312.62 × 176,998.92
  4. Step 4: Simplify right side
    536,807.40x = 142,539,464,002.37
  5. Step 5: Solve for x
    x = 142,539,464,002.37/536,807.40
  6. Step 6: Final answer
    x = 265,531.85

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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.