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Finding the Fourth Proportional to 633,873.96, 874,242.18 and 538,695.72

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Solution

The fourth proportional to 633,873.96, 874,242.18 and 538,695.72 is: 742,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,873.96 : 874,242.18 = 538,695.72 : x
  2. Step 2: Convert to fraction form
    633,873.96/874,242.18 = 538,695.72/x
  3. Step 3: Cross multiply
    633,873.96x = 874,242.18 × 538,695.72
  4. Step 4: Simplify right side
    633,873.96x = 470,950,520,609.47
  5. Step 5: Solve for x
    x = 470,950,520,609.47/633,873.96
  6. Step 6: Final answer
    x = 742,971.87

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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.