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Finding the Fourth Proportional to 604,869.86, 907,361.31 and 178,406.10

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Solution

The fourth proportional to 604,869.86, 907,361.31 and 178,406.10 is: 267,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,869.86 : 907,361.31 = 178,406.10 : x
  2. Step 2: Convert to fraction form
    604,869.86/907,361.31 = 178,406.10/x
  3. Step 3: Cross multiply
    604,869.86x = 907,361.31 × 178,406.10
  4. Step 4: Simplify right side
    604,869.86x = 161,878,792,607.99
  5. Step 5: Solve for x
    x = 161,878,792,607.99/604,869.86
  6. Step 6: Final answer
    x = 267,625.82

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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.