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Finding the Fourth Proportional to 291,527.98, 436,357.02 and 156,254.54

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Solution

The fourth proportional to 291,527.98, 436,357.02 and 156,254.54 is: 233,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,527.98 : 436,357.02 = 156,254.54 : x
  2. Step 2: Convert to fraction form
    291,527.98/436,357.02 = 156,254.54/x
  3. Step 3: Cross multiply
    291,527.98x = 436,357.02 × 156,254.54
  4. Step 4: Simplify right side
    291,527.98x = 68,182,763,840.04
  5. Step 5: Solve for x
    x = 68,182,763,840.04/291,527.98
  6. Step 6: Final answer
    x = 233,880.69

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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.