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Finding the Fourth Proportional to 637,683.16, 880,042.54 and 351,203.16

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Solution

The fourth proportional to 637,683.16, 880,042.54 and 351,203.16 is: 484,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,683.16 : 880,042.54 = 351,203.16 : x
  2. Step 2: Convert to fraction form
    637,683.16/880,042.54 = 351,203.16/x
  3. Step 3: Cross multiply
    637,683.16x = 880,042.54 × 351,203.16
  4. Step 4: Simplify right side
    637,683.16x = 309,073,720,982.43
  5. Step 5: Solve for x
    x = 309,073,720,982.43/637,683.16
  6. Step 6: Final answer
    x = 484,682.27

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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.