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Finding the Fourth Proportional to 1,942,064, 2,913,096 and 612,368

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Solution

The fourth proportional to 1,942,064, 2,913,096 and 612,368 is: 918,552

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,064 : 2,913,096 = 612,368 : x
  2. Step 2: Convert to fraction form
    1,942,064/2,913,096 = 612,368/x
  3. Step 3: Cross multiply
    1,942,064x = 2,913,096 × 612,368
  4. Step 4: Simplify right side
    1,942,064x = 1,783,886,771,328
  5. Step 5: Solve for x
    x = 1,783,886,771,328/1,942,064
  6. Step 6: Final answer
    x = 918,552

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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.