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Finding the Fourth Proportional to 575,305.44, 793,925.19 and 320,672.76

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Solution

The fourth proportional to 575,305.44, 793,925.19 and 320,672.76 is: 442,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,305.44 : 793,925.19 = 320,672.76 : x
  2. Step 2: Convert to fraction form
    575,305.44/793,925.19 = 320,672.76/x
  3. Step 3: Cross multiply
    575,305.44x = 793,925.19 × 320,672.76
  4. Step 4: Simplify right side
    575,305.44x = 254,590,181,910.82
  5. Step 5: Solve for x
    x = 254,590,181,910.82/575,305.44
  6. Step 6: Final answer
    x = 442,530.46

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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.