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Finding the Fourth Proportional to 1,036,830, 1,555,245 and 248,862

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Solution

The fourth proportional to 1,036,830, 1,555,245 and 248,862 is: 373,293

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,830 : 1,555,245 = 248,862 : x
  2. Step 2: Convert to fraction form
    1,036,830/1,555,245 = 248,862/x
  3. Step 3: Cross multiply
    1,036,830x = 1,555,245 × 248,862
  4. Step 4: Simplify right side
    1,036,830x = 387,041,381,190
  5. Step 5: Solve for x
    x = 387,041,381,190/1,036,830
  6. Step 6: Final answer
    x = 373,293

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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.