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Finding the Fourth Proportional to 301,458.20, 452,187.30 and 274,339.40

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Solution

The fourth proportional to 301,458.20, 452,187.30 and 274,339.40 is: 411,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,458.20 : 452,187.30 = 274,339.40 : x
  2. Step 2: Convert to fraction form
    301,458.20/452,187.30 = 274,339.40/x
  3. Step 3: Cross multiply
    301,458.20x = 452,187.30 × 274,339.40
  4. Step 4: Simplify right side
    301,458.20x = 124,052,792,569.62
  5. Step 5: Solve for x
    x = 124,052,792,569.62/301,458.20
  6. Step 6: Final answer
    x = 411,509.10

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1.5x scale

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.