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Finding the Fourth Proportional to 468,455.09, 702,682.54 and 255,402.19

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Solution

The fourth proportional to 468,455.09, 702,682.54 and 255,402.19 is: 383,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,455.09 : 702,682.54 = 255,402.19 : x
  2. Step 2: Convert to fraction form
    468,455.09/702,682.54 = 255,402.19/x
  3. Step 3: Cross multiply
    468,455.09x = 702,682.54 × 255,402.19
  4. Step 4: Simplify right side
    468,455.09x = 179,466,657,195.55
  5. Step 5: Solve for x
    x = 179,466,657,195.55/468,455.09
  6. Step 6: Final answer
    x = 383,103.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.