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Finding the Fourth Proportional to 434,670.81, 651,950.85 and 168,249.06

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Solution

The fourth proportional to 434,670.81, 651,950.85 and 168,249.06 is: 252,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,670.81 : 651,950.85 = 168,249.06 : x
  2. Step 2: Convert to fraction form
    434,670.81/651,950.85 = 168,249.06/x
  3. Step 3: Cross multiply
    434,670.81x = 651,950.85 × 168,249.06
  4. Step 4: Simplify right side
    434,670.81x = 109,690,117,678.70
  5. Step 5: Solve for x
    x = 109,690,117,678.70/434,670.81
  6. Step 6: Final answer
    x = 252,352.16

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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.