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Finding the Fourth Proportional to 437,186.09, 603,318.17 and 253,460.48

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Solution

The fourth proportional to 437,186.09, 603,318.17 and 253,460.48 is: 349,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,186.09 : 603,318.17 = 253,460.48 : x
  2. Step 2: Convert to fraction form
    437,186.09/603,318.17 = 253,460.48/x
  3. Step 3: Cross multiply
    437,186.09x = 603,318.17 × 253,460.48
  4. Step 4: Simplify right side
    437,186.09x = 152,917,310,577.98
  5. Step 5: Solve for x
    x = 152,917,310,577.98/437,186.09
  6. Step 6: Final answer
    x = 349,776.25

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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.