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Finding the Fourth Proportional to 470,008.62, 648,543.48 and 268,765.74

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Solution

The fourth proportional to 470,008.62, 648,543.48 and 268,765.74 is: 370,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,008.62 : 648,543.48 = 268,765.74 : x
  2. Step 2: Convert to fraction form
    470,008.62/648,543.48 = 268,765.74/x
  3. Step 3: Cross multiply
    470,008.62x = 648,543.48 × 268,765.74
  4. Step 4: Simplify right side
    470,008.62x = 174,306,268,324.38
  5. Step 5: Solve for x
    x = 174,306,268,324.38/470,008.62
  6. Step 6: Final answer
    x = 370,857.60

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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.