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Finding the Fourth Proportional to 668,635.32, 922,492.26 and 381,952.38

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Solution

The fourth proportional to 668,635.32, 922,492.26 and 381,952.38 is: 526,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,635.32 : 922,492.26 = 381,952.38 : x
  2. Step 2: Convert to fraction form
    668,635.32/922,492.26 = 381,952.38/x
  3. Step 3: Cross multiply
    668,635.32x = 922,492.26 × 381,952.38
  4. Step 4: Simplify right side
    668,635.32x = 352,348,114,238.58
  5. Step 5: Solve for x
    x = 352,348,114,238.58/668,635.32
  6. Step 6: Final answer
    x = 526,966.05

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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.