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Finding the Fourth Proportional to 1,746,310.38, 2,409,904.54 and 982,363.94

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Solution

The fourth proportional to 1,746,310.38, 2,409,904.54 and 982,363.94 is: 1,355,660.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,310.38 : 2,409,904.54 = 982,363.94 : x
  2. Step 2: Convert to fraction form
    1,746,310.38/2,409,904.54 = 982,363.94/x
  3. Step 3: Cross multiply
    1,746,310.38x = 2,409,904.54 × 982,363.94
  4. Step 4: Simplify right side
    1,746,310.38x = 2,367,403,318,938.29
  5. Step 5: Solve for x
    x = 2,367,403,318,938.29/1,746,310.38
  6. Step 6: Final answer
    x = 1,355,660.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.