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Finding the Fourth Proportional to 402,484.68, 603,747.68 and 102,967.84

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Solution

The fourth proportional to 402,484.68, 603,747.68 and 102,967.84 is: 154,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,484.68 : 603,747.68 = 102,967.84 : x
  2. Step 2: Convert to fraction form
    402,484.68/603,747.68 = 102,967.84/x
  3. Step 3: Cross multiply
    402,484.68x = 603,747.68 × 102,967.84
  4. Step 4: Simplify right side
    402,484.68x = 62,166,594,514.61
  5. Step 5: Solve for x
    x = 62,166,594,514.61/402,484.68
  6. Step 6: Final answer
    x = 154,457.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.