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Finding the Fourth Proportional to 1,937,684, 2,906,992.80 and 607,988

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Solution

The fourth proportional to 1,937,684, 2,906,992.80 and 607,988 is: 912,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,684 : 2,906,992.80 = 607,988 : x
  2. Step 2: Convert to fraction form
    1,937,684/2,906,992.80 = 607,988/x
  3. Step 3: Cross multiply
    1,937,684x = 2,906,992.80 × 607,988
  4. Step 4: Simplify right side
    1,937,684x = 1,767,416,738,486.40
  5. Step 5: Solve for x
    x = 1,767,416,738,486.40/1,937,684
  6. Step 6: Final answer
    x = 912,128.47

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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.