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Finding the Fourth Proportional to 355,522.96, 532,723.92 and 130,573

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Solution

The fourth proportional to 355,522.96, 532,723.92 and 130,573 is: 195,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,522.96 : 532,723.92 = 130,573 : x
  2. Step 2: Convert to fraction form
    355,522.96/532,723.92 = 130,573/x
  3. Step 3: Cross multiply
    355,522.96x = 532,723.92 × 130,573
  4. Step 4: Simplify right side
    355,522.96x = 69,559,360,406.16
  5. Step 5: Solve for x
    x = 69,559,360,406.16/355,522.96
  6. Step 6: Final answer
    x = 195,653.64

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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.