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Finding the Fourth Proportional to 662,833, 992,396.94 and 358,135.72

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Solution

The fourth proportional to 662,833, 992,396.94 and 358,135.72 is: 536,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,833 : 992,396.94 = 358,135.72 : x
  2. Step 2: Convert to fraction form
    662,833/992,396.94 = 358,135.72/x
  3. Step 3: Cross multiply
    662,833x = 992,396.94 × 358,135.72
  4. Step 4: Simplify right side
    662,833x = 355,412,792,632.70
  5. Step 5: Solve for x
    x = 355,412,792,632.70/662,833
  6. Step 6: Final answer
    x = 536,202.62

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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.