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Finding the Fourth Proportional to 613,576.48, 846,792.72 and 358,911.52

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Solution

The fourth proportional to 613,576.48, 846,792.72 and 358,911.52 is: 495,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,576.48 : 846,792.72 = 358,911.52 : x
  2. Step 2: Convert to fraction form
    613,576.48/846,792.72 = 358,911.52/x
  3. Step 3: Cross multiply
    613,576.48x = 846,792.72 × 358,911.52
  4. Step 4: Simplify right side
    613,576.48x = 303,923,662,260.13
  5. Step 5: Solve for x
    x = 303,923,662,260.13/613,576.48
  6. Step 6: Final answer
    x = 495,331.34

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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.