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Finding the Fourth Proportional to 613,376.94, 846,404.16 and 358,683.78

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Solution

The fourth proportional to 613,376.94, 846,404.16 and 358,683.78 is: 494,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,376.94 : 846,404.16 = 358,683.78 : x
  2. Step 2: Convert to fraction form
    613,376.94/846,404.16 = 358,683.78/x
  3. Step 3: Cross multiply
    613,376.94x = 846,404.16 × 358,683.78
  4. Step 4: Simplify right side
    613,376.94x = 303,591,443,516.53
  5. Step 5: Solve for x
    x = 303,591,443,516.53/613,376.94
  6. Step 6: Final answer
    x = 494,950.86

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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.