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Finding the Fourth Proportional to 291,259.40, 436,994.32 and 101,747.76

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Solution

The fourth proportional to 291,259.40, 436,994.32 and 101,747.76 is: 152,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,259.40 : 436,994.32 = 101,747.76 : x
  2. Step 2: Convert to fraction form
    291,259.40/436,994.32 = 101,747.76/x
  3. Step 3: Cross multiply
    291,259.40x = 436,994.32 × 101,747.76
  4. Step 4: Simplify right side
    291,259.40x = 44,463,193,192.72
  5. Step 5: Solve for x
    x = 44,463,193,192.72/291,259.40
  6. Step 6: Final answer
    x = 152,658.40

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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.