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Finding the Fourth Proportional to 574,841.19, 793,305.32 and 320,192.49

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Solution

The fourth proportional to 574,841.19, 793,305.32 and 320,192.49 is: 441,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,841.19 : 793,305.32 = 320,192.49 : x
  2. Step 2: Convert to fraction form
    574,841.19/793,305.32 = 320,192.49/x
  3. Step 3: Cross multiply
    574,841.19x = 793,305.32 × 320,192.49
  4. Step 4: Simplify right side
    574,841.19x = 254,010,404,140.08
  5. Step 5: Solve for x
    x = 254,010,404,140.08/574,841.19
  6. Step 6: Final answer
    x = 441,879.27

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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.