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Finding the Fourth Proportional to 499,386.62, 689,156.43 and 273,032.12

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Solution

The fourth proportional to 499,386.62, 689,156.43 and 273,032.12 is: 376,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,386.62 : 689,156.43 = 273,032.12 : x
  2. Step 2: Convert to fraction form
    499,386.62/689,156.43 = 273,032.12/x
  3. Step 3: Cross multiply
    499,386.62x = 689,156.43 × 273,032.12
  4. Step 4: Simplify right side
    499,386.62x = 188,161,841,094.53
  5. Step 5: Solve for x
    x = 188,161,841,094.53/499,386.62
  6. Step 6: Final answer
    x = 376,785.91

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