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Finding the Fourth Proportional to 458,794.24, 633,126.72 and 257,590.24

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Solution

The fourth proportional to 458,794.24, 633,126.72 and 257,590.24 is: 355,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,794.24 : 633,126.72 = 257,590.24 : x
  2. Step 2: Convert to fraction form
    458,794.24/633,126.72 = 257,590.24/x
  3. Step 3: Cross multiply
    458,794.24x = 633,126.72 × 257,590.24
  4. Step 4: Simplify right side
    458,794.24x = 163,087,263,755.21
  5. Step 5: Solve for x
    x = 163,087,263,755.21/458,794.24
  6. Step 6: Final answer
    x = 355,469.29

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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.