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Finding the Fourth Proportional to 539,361.34, 808,783.50 and 254,815.02

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Solution

The fourth proportional to 539,361.34, 808,783.50 and 254,815.02 is: 382,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,361.34 : 808,783.50 = 254,815.02 : x
  2. Step 2: Convert to fraction form
    539,361.34/808,783.50 = 254,815.02/x
  3. Step 3: Cross multiply
    539,361.34x = 808,783.50 × 254,815.02
  4. Step 4: Simplify right side
    539,361.34x = 206,090,183,728.17
  5. Step 5: Solve for x
    x = 206,090,183,728.17/539,361.34
  6. Step 6: Final answer
    x = 382,100.40

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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.