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Finding the Fourth Proportional to 956,627.62, 1,435,118 and 395,705.86

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Solution

The fourth proportional to 956,627.62, 1,435,118 and 395,705.86 is: 593,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,627.62 : 1,435,118 = 395,705.86 : x
  2. Step 2: Convert to fraction form
    956,627.62/1,435,118 = 395,705.86/x
  3. Step 3: Cross multiply
    956,627.62x = 1,435,118 × 395,705.86
  4. Step 4: Simplify right side
    956,627.62x = 567,884,602,391.48
  5. Step 5: Solve for x
    x = 567,884,602,391.48/956,627.62
  6. Step 6: Final answer
    x = 593,631.83

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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.