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Finding the Fourth Proportional to 554,860.96, 831,941.52 and 305,717.92

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Solution

The fourth proportional to 554,860.96, 831,941.52 and 305,717.92 is: 458,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,860.96 : 831,941.52 = 305,717.92 : x
  2. Step 2: Convert to fraction form
    554,860.96/831,941.52 = 305,717.92/x
  3. Step 3: Cross multiply
    554,860.96x = 831,941.52 × 305,717.92
  4. Step 4: Simplify right side
    554,860.96x = 254,339,431,056.04
  5. Step 5: Solve for x
    x = 254,339,431,056.04/554,860.96
  6. Step 6: Final answer
    x = 458,384.08

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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.