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Finding the Fourth Proportional to 613,480.53, 846,384.04 and 355,216.53

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Solution

The fourth proportional to 613,480.53, 846,384.04 and 355,216.53 is: 490,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,480.53 : 846,384.04 = 355,216.53 : x
  2. Step 2: Convert to fraction form
    613,480.53/846,384.04 = 355,216.53/x
  3. Step 3: Cross multiply
    613,480.53x = 846,384.04 × 355,216.53
  4. Step 4: Simplify right side
    613,480.53x = 300,649,597,404.92
  5. Step 5: Solve for x
    x = 300,649,597,404.92/613,480.53
  6. Step 6: Final answer
    x = 490,071.94

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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.