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Finding the Fourth Proportional to 462,168.16, 637,762.08 and 268,558.72

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Solution

The fourth proportional to 462,168.16, 637,762.08 and 268,558.72 is: 370,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,168.16 : 637,762.08 = 268,558.72 : x
  2. Step 2: Convert to fraction form
    462,168.16/637,762.08 = 268,558.72/x
  3. Step 3: Cross multiply
    462,168.16x = 637,762.08 × 268,558.72
  4. Step 4: Simplify right side
    462,168.16x = 171,276,567,869.34
  5. Step 5: Solve for x
    x = 171,276,567,869.34/462,168.16
  6. Step 6: Final answer
    x = 370,593.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.