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Finding the Fourth Proportional to 536,165.70, 804,702.15 and 220,848.90

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Solution

The fourth proportional to 536,165.70, 804,702.15 and 220,848.90 is: 331,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,165.70 : 804,702.15 = 220,848.90 : x
  2. Step 2: Convert to fraction form
    536,165.70/804,702.15 = 220,848.90/x
  3. Step 3: Cross multiply
    536,165.70x = 804,702.15 × 220,848.90
  4. Step 4: Simplify right side
    536,165.70x = 177,717,584,655.14
  5. Step 5: Solve for x
    x = 177,717,584,655.14/536,165.70
  6. Step 6: Final answer
    x = 331,460.19

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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.