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Finding the Fourth Proportional to 913,716, 1,370,574 and 248,868

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Solution

The fourth proportional to 913,716, 1,370,574 and 248,868 is: 373,302

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,716 : 1,370,574 = 248,868 : x
  2. Step 2: Convert to fraction form
    913,716/1,370,574 = 248,868/x
  3. Step 3: Cross multiply
    913,716x = 1,370,574 × 248,868
  4. Step 4: Simplify right side
    913,716x = 341,092,010,232
  5. Step 5: Solve for x
    x = 341,092,010,232/913,716
  6. Step 6: Final answer
    x = 373,302

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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.