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Finding the Fourth Proportional to 452,457.88, 677,653.26 and 215,967.04

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Solution

The fourth proportional to 452,457.88, 677,653.26 and 215,967.04 is: 323,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,457.88 : 677,653.26 = 215,967.04 : x
  2. Step 2: Convert to fraction form
    452,457.88/677,653.26 = 215,967.04/x
  3. Step 3: Cross multiply
    452,457.88x = 677,653.26 × 215,967.04
  4. Step 4: Simplify right side
    452,457.88x = 146,350,768,708.55
  5. Step 5: Solve for x
    x = 146,350,768,708.55/452,457.88
  6. Step 6: Final answer
    x = 323,457.22

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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.