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Finding the Fourth Proportional to 574,828.37, 793,225.20 and 345,249.26

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Solution

The fourth proportional to 574,828.37, 793,225.20 and 345,249.26 is: 476,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,828.37 : 793,225.20 = 345,249.26 : x
  2. Step 2: Convert to fraction form
    574,828.37/793,225.20 = 345,249.26/x
  3. Step 3: Cross multiply
    574,828.37x = 793,225.20 × 345,249.26
  4. Step 4: Simplify right side
    574,828.37x = 273,860,413,313.35
  5. Step 5: Solve for x
    x = 273,860,413,313.35/574,828.37
  6. Step 6: Final answer
    x = 476,421.19

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Double scale
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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.