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Finding the Fourth Proportional to 636,041.92, 953,829.60 and 186,647.44

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Solution

The fourth proportional to 636,041.92, 953,829.60 and 186,647.44 is: 279,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,041.92 : 953,829.60 = 186,647.44 : x
  2. Step 2: Convert to fraction form
    636,041.92/953,829.60 = 186,647.44/x
  3. Step 3: Cross multiply
    636,041.92x = 953,829.60 × 186,647.44
  4. Step 4: Simplify right side
    636,041.92x = 178,029,853,036.22
  5. Step 5: Solve for x
    x = 178,029,853,036.22/636,041.92
  6. Step 6: Final answer
    x = 279,902.70

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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.