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Finding the Fourth Proportional to 536,907.59, 805,361.61 and 157,828.35

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Solution

The fourth proportional to 536,907.59, 805,361.61 and 157,828.35 is: 236,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,907.59 : 805,361.61 = 157,828.35 : x
  2. Step 2: Convert to fraction form
    536,907.59/805,361.61 = 157,828.35/x
  3. Step 3: Cross multiply
    536,907.59x = 805,361.61 × 157,828.35
  4. Step 4: Simplify right side
    536,907.59x = 127,108,892,697.56
  5. Step 5: Solve for x
    x = 127,108,892,697.56/536,907.59
  6. Step 6: Final answer
    x = 236,742.59

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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.