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Finding the Fourth Proportional to 846,711, 1,168,418.86 and 502,561.88

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Solution

The fourth proportional to 846,711, 1,168,418.86 and 502,561.88 is: 693,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,711 : 1,168,418.86 = 502,561.88 : x
  2. Step 2: Convert to fraction form
    846,711/1,168,418.86 = 502,561.88/x
  3. Step 3: Cross multiply
    846,711x = 1,168,418.86 × 502,561.88
  4. Step 4: Simplify right side
    846,711x = 587,202,778,909.06
  5. Step 5: Solve for x
    x = 587,202,778,909.06/846,711
  6. Step 6: Final answer
    x = 693,510.28

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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.