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Finding the Fourth Proportional to 323,019.60, 445,762.61 and 179,779.62

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Solution

The fourth proportional to 323,019.60, 445,762.61 and 179,779.62 is: 248,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,019.60 : 445,762.61 = 179,779.62 : x
  2. Step 2: Convert to fraction form
    323,019.60/445,762.61 = 179,779.62/x
  3. Step 3: Cross multiply
    323,019.60x = 445,762.61 × 179,779.62
  4. Step 4: Simplify right side
    323,019.60x = 80,139,031,737.11
  5. Step 5: Solve for x
    x = 80,139,031,737.11/323,019.60
  6. Step 6: Final answer
    x = 248,093.40

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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.