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Finding the Fourth Proportional to 454,625.34, 627,259.89 and 258,389.07

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Solution

The fourth proportional to 454,625.34, 627,259.89 and 258,389.07 is: 356,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,625.34 : 627,259.89 = 258,389.07 : x
  2. Step 2: Convert to fraction form
    454,625.34/627,259.89 = 258,389.07/x
  3. Step 3: Cross multiply
    454,625.34x = 627,259.89 × 258,389.07
  4. Step 4: Simplify right side
    454,625.34x = 162,077,099,625.40
  5. Step 5: Solve for x
    x = 162,077,099,625.40/454,625.34
  6. Step 6: Final answer
    x = 356,506.96

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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.