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Finding the Fourth Proportional to 366,851.40, 550,277.10 and 317,643.90

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Solution

The fourth proportional to 366,851.40, 550,277.10 and 317,643.90 is: 476,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,851.40 : 550,277.10 = 317,643.90 : x
  2. Step 2: Convert to fraction form
    366,851.40/550,277.10 = 317,643.90/x
  3. Step 3: Cross multiply
    366,851.40x = 550,277.10 × 317,643.90
  4. Step 4: Simplify right side
    366,851.40x = 174,792,164,124.69
  5. Step 5: Solve for x
    x = 174,792,164,124.69/366,851.40
  6. Step 6: Final answer
    x = 476,465.85

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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.