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Finding the Fourth Proportional to 493,683.66, 740,117.25 and 227,219.58

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Solution

The fourth proportional to 493,683.66, 740,117.25 and 227,219.58 is: 340,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,683.66 : 740,117.25 = 227,219.58 : x
  2. Step 2: Convert to fraction form
    493,683.66/740,117.25 = 227,219.58/x
  3. Step 3: Cross multiply
    493,683.66x = 740,117.25 × 227,219.58
  4. Step 4: Simplify right side
    493,683.66x = 168,169,130,695.76
  5. Step 5: Solve for x
    x = 168,169,130,695.76/493,683.66
  6. Step 6: Final answer
    x = 340,641.48

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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.