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Finding the Fourth Proportional to 372,944.72, 559,314.70 and 103,008.32

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Solution

The fourth proportional to 372,944.72, 559,314.70 and 103,008.32 is: 154,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,944.72 : 559,314.70 = 103,008.32 : x
  2. Step 2: Convert to fraction form
    372,944.72/559,314.70 = 103,008.32/x
  3. Step 3: Cross multiply
    372,944.72x = 559,314.70 × 103,008.32
  4. Step 4: Simplify right side
    372,944.72x = 57,614,066,641.64
  5. Step 5: Solve for x
    x = 57,614,066,641.64/372,944.72
  6. Step 6: Final answer
    x = 154,484.20

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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.