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Finding the Fourth Proportional to 668,841.84, 922,956.30 and 367,055.28

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Solution

The fourth proportional to 668,841.84, 922,956.30 and 367,055.28 is: 506,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,841.84 : 922,956.30 = 367,055.28 : x
  2. Step 2: Convert to fraction form
    668,841.84/922,956.30 = 367,055.28/x
  3. Step 3: Cross multiply
    668,841.84x = 922,956.30 × 367,055.28
  4. Step 4: Simplify right side
    668,841.84x = 338,775,983,124.26
  5. Step 5: Solve for x
    x = 338,775,983,124.26/668,841.84
  6. Step 6: Final answer
    x = 506,511.35

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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.