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Finding the Fourth Proportional to 454,498.97, 628,342.31 and 341,124.89

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Solution

The fourth proportional to 454,498.97, 628,342.31 and 341,124.89 is: 471,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,498.97 : 628,342.31 = 341,124.89 : x
  2. Step 2: Convert to fraction form
    454,498.97/628,342.31 = 341,124.89/x
  3. Step 3: Cross multiply
    454,498.97x = 628,342.31 × 341,124.89
  4. Step 4: Simplify right side
    454,498.97x = 214,343,199,092.20
  5. Step 5: Solve for x
    x = 214,343,199,092.20/454,498.97
  6. Step 6: Final answer
    x = 471,603.27

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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.