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Finding the Fourth Proportional to 437,186.72, 603,348.54 and 243,607.26

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Solution

The fourth proportional to 437,186.72, 603,348.54 and 243,607.26 is: 336,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,186.72 : 603,348.54 = 243,607.26 : x
  2. Step 2: Convert to fraction form
    437,186.72/603,348.54 = 243,607.26/x
  3. Step 3: Cross multiply
    437,186.72x = 603,348.54 × 243,607.26
  4. Step 4: Simplify right side
    437,186.72x = 146,980,084,654.40
  5. Step 5: Solve for x
    x = 146,980,084,654.40/437,186.72
  6. Step 6: Final answer
    x = 336,195.22

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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.