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Finding the Fourth Proportional to 369,364.40, 554,046.60 and 144,650.15

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Solution

The fourth proportional to 369,364.40, 554,046.60 and 144,650.15 is: 216,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,364.40 : 554,046.60 = 144,650.15 : x
  2. Step 2: Convert to fraction form
    369,364.40/554,046.60 = 144,650.15/x
  3. Step 3: Cross multiply
    369,364.40x = 554,046.60 × 144,650.15
  4. Step 4: Simplify right side
    369,364.40x = 80,142,923,796.99
  5. Step 5: Solve for x
    x = 80,142,923,796.99/369,364.40
  6. Step 6: Final answer
    x = 216,975.23

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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.