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Finding the Fourth Proportional to 1,561,560, 2,154,952.80 and 846,168

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Solution

The fourth proportional to 1,561,560, 2,154,952.80 and 846,168 is: 1,167,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,560 : 2,154,952.80 = 846,168 : x
  2. Step 2: Convert to fraction form
    1,561,560/2,154,952.80 = 846,168/x
  3. Step 3: Cross multiply
    1,561,560x = 2,154,952.80 × 846,168
  4. Step 4: Simplify right side
    1,561,560x = 1,823,452,100,870.40
  5. Step 5: Solve for x
    x = 1,823,452,100,870.40/1,561,560
  6. Step 6: Final answer
    x = 1,167,711.84

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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.