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Finding the Fourth Proportional to 474,518.75, 654,841.95 and 273,314.75

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Solution

The fourth proportional to 474,518.75, 654,841.95 and 273,314.75 is: 377,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,518.75 : 654,841.95 = 273,314.75 : x
  2. Step 2: Convert to fraction form
    474,518.75/654,841.95 = 273,314.75/x
  3. Step 3: Cross multiply
    474,518.75x = 654,841.95 × 273,314.75
  4. Step 4: Simplify right side
    474,518.75x = 178,977,963,853.76
  5. Step 5: Solve for x
    x = 178,977,963,853.76/474,518.75
  6. Step 6: Final answer
    x = 377,177.85

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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.