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Finding the Fourth Proportional to 578,394.96, 798,184.92 and 323,746.20

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Solution

The fourth proportional to 578,394.96, 798,184.92 and 323,746.20 is: 446,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,394.96 : 798,184.92 = 323,746.20 : x
  2. Step 2: Convert to fraction form
    578,394.96/798,184.92 = 323,746.20/x
  3. Step 3: Cross multiply
    578,394.96x = 798,184.92 × 323,746.20
  4. Step 4: Simplify right side
    578,394.96x = 258,409,334,747.30
  5. Step 5: Solve for x
    x = 258,409,334,747.30/578,394.96
  6. Step 6: Final answer
    x = 446,769.69

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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.