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Finding the Fourth Proportional to 673,034.46, 928,790.46 and 367,117.42

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Solution

The fourth proportional to 673,034.46, 928,790.46 and 367,117.42 is: 506,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,034.46 : 928,790.46 = 367,117.42 : x
  2. Step 2: Convert to fraction form
    673,034.46/928,790.46 = 367,117.42/x
  3. Step 3: Cross multiply
    673,034.46x = 928,790.46 × 367,117.42
  4. Step 4: Simplify right side
    673,034.46x = 340,975,152,751.86
  5. Step 5: Solve for x
    x = 340,975,152,751.86/673,034.46
  6. Step 6: Final answer
    x = 506,623.62

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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.