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Finding the Fourth Proportional to 653,601.60, 901,733.76 and 427,377.60

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Solution

The fourth proportional to 653,601.60, 901,733.76 and 427,377.60 is: 589,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,601.60 : 901,733.76 = 427,377.60 : x
  2. Step 2: Convert to fraction form
    653,601.60/901,733.76 = 427,377.60/x
  3. Step 3: Cross multiply
    653,601.60x = 901,733.76 × 427,377.60
  4. Step 4: Simplify right side
    653,601.60x = 385,380,810,187.78
  5. Step 5: Solve for x
    x = 385,380,810,187.78/653,601.60
  6. Step 6: Final answer
    x = 589,626.48

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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.