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Finding the Fourth Proportional to 1,746,008.19, 2,409,213.51 and 981,914.13

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Solution

The fourth proportional to 1,746,008.19, 2,409,213.51 and 981,914.13 is: 1,354,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,008.19 : 2,409,213.51 = 981,914.13 : x
  2. Step 2: Convert to fraction form
    1,746,008.19/2,409,213.51 = 981,914.13/x
  3. Step 3: Cross multiply
    1,746,008.19x = 2,409,213.51 × 981,914.13
  4. Step 4: Simplify right side
    1,746,008.19x = 2,365,640,787,655.90
  5. Step 5: Solve for x
    x = 2,365,640,787,655.90/1,746,008.19
  6. Step 6: Final answer
    x = 1,354,885.28

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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.