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Finding the Fourth Proportional to 575,212.56, 793,559.52 and 381,711.48

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Solution

The fourth proportional to 575,212.56, 793,559.52 and 381,711.48 is: 526,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,212.56 : 793,559.52 = 381,711.48 : x
  2. Step 2: Convert to fraction form
    575,212.56/793,559.52 = 381,711.48/x
  3. Step 3: Cross multiply
    575,212.56x = 793,559.52 × 381,711.48
  4. Step 4: Simplify right side
    575,212.56x = 302,910,778,847.29
  5. Step 5: Solve for x
    x = 302,910,778,847.29/575,212.56
  6. Step 6: Final answer
    x = 526,606.68

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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.