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Finding the Fourth Proportional to 472,740.96, 652,487.72 and 300,624.04

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Solution

The fourth proportional to 472,740.96, 652,487.72 and 300,624.04 is: 414,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,740.96 : 652,487.72 = 300,624.04 : x
  2. Step 2: Convert to fraction form
    472,740.96/652,487.72 = 300,624.04/x
  3. Step 3: Cross multiply
    472,740.96x = 652,487.72 × 300,624.04
  4. Step 4: Simplify right side
    472,740.96x = 196,153,494,436.79
  5. Step 5: Solve for x
    x = 196,153,494,436.79/472,740.96
  6. Step 6: Final answer
    x = 414,928.07

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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.