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Finding the Fourth Proportional to 575,998.32, 794,878.18 and 321,349.56

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Solution

The fourth proportional to 575,998.32, 794,878.18 and 321,349.56 is: 443,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,998.32 : 794,878.18 = 321,349.56 : x
  2. Step 2: Convert to fraction form
    575,998.32/794,878.18 = 321,349.56/x
  3. Step 3: Cross multiply
    575,998.32x = 794,878.18 × 321,349.56
  4. Step 4: Simplify right side
    575,998.32x = 255,433,753,396.60
  5. Step 5: Solve for x
    x = 255,433,753,396.60/575,998.32
  6. Step 6: Final answer
    x = 443,462.67

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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.