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Finding the Fourth Proportional to 613,580.48, 846,798.24 and 358,915.52

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Solution

The fourth proportional to 613,580.48, 846,798.24 and 358,915.52 is: 495,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,580.48 : 846,798.24 = 358,915.52 : x
  2. Step 2: Convert to fraction form
    613,580.48/846,798.24 = 358,915.52/x
  3. Step 3: Cross multiply
    613,580.48x = 846,798.24 × 358,915.52
  4. Step 4: Simplify right side
    613,580.48x = 303,929,030,644.69
  5. Step 5: Solve for x
    x = 303,929,030,644.69/613,580.48
  6. Step 6: Final answer
    x = 495,336.86

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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.