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Finding the Fourth Proportional to 437,184.72, 603,345.78 and 243,605.25

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Solution

The fourth proportional to 437,184.72, 603,345.78 and 243,605.25 is: 336,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,184.72 : 603,345.78 = 243,605.25 : x
  2. Step 2: Convert to fraction form
    437,184.72/603,345.78 = 243,605.25/x
  3. Step 3: Cross multiply
    437,184.72x = 603,345.78 × 243,605.25
  4. Step 4: Simplify right side
    437,184.72x = 146,978,199,573.35
  5. Step 5: Solve for x
    x = 146,978,199,573.35/437,184.72
  6. Step 6: Final answer
    x = 336,192.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.