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Finding the Fourth Proportional to 1,495,792, 2,243,688 and 445,168

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Solution

The fourth proportional to 1,495,792, 2,243,688 and 445,168 is: 667,752

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,792 : 2,243,688 = 445,168 : x
  2. Step 2: Convert to fraction form
    1,495,792/2,243,688 = 445,168/x
  3. Step 3: Cross multiply
    1,495,792x = 2,243,688 × 445,168
  4. Step 4: Simplify right side
    1,495,792x = 998,818,099,584
  5. Step 5: Solve for x
    x = 998,818,099,584/1,495,792
  6. Step 6: Final answer
    x = 667,752

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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.