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Finding the Fourth Proportional to 507,750.73, 700,696.01 and 281,410.81

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Solution

The fourth proportional to 507,750.73, 700,696.01 and 281,410.81 is: 388,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,750.73 : 700,696.01 = 281,410.81 : x
  2. Step 2: Convert to fraction form
    507,750.73/700,696.01 = 281,410.81/x
  3. Step 3: Cross multiply
    507,750.73x = 700,696.01 × 281,410.81
  4. Step 4: Simplify right side
    507,750.73x = 197,183,429,373.20
  5. Step 5: Solve for x
    x = 197,183,429,373.20/507,750.73
  6. Step 6: Final answer
    x = 388,346.92

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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.