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Finding the Fourth Proportional to 484,509.23, 668,472.22 and 274,922.74

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Solution

The fourth proportional to 484,509.23, 668,472.22 and 274,922.74 is: 379,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,509.23 : 668,472.22 = 274,922.74 : x
  2. Step 2: Convert to fraction form
    484,509.23/668,472.22 = 274,922.74/x
  3. Step 3: Cross multiply
    484,509.23x = 668,472.22 × 274,922.74
  4. Step 4: Simplify right side
    484,509.23x = 183,778,214,336.28
  5. Step 5: Solve for x
    x = 183,778,214,336.28/484,509.23
  6. Step 6: Final answer
    x = 379,307.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.