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Finding the Fourth Proportional to 306,522.32, 459,849.62 and 93,306.89

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Solution

The fourth proportional to 306,522.32, 459,849.62 and 93,306.89 is: 139,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,522.32 : 459,849.62 = 93,306.89 : x
  2. Step 2: Convert to fraction form
    306,522.32/459,849.62 = 93,306.89/x
  3. Step 3: Cross multiply
    306,522.32x = 459,849.62 × 93,306.89
  4. Step 4: Simplify right side
    306,522.32x = 42,907,139,292.77
  5. Step 5: Solve for x
    x = 42,907,139,292.77/306,522.32
  6. Step 6: Final answer
    x = 139,980.48

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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.