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Finding the Fourth Proportional to 668,354.68, 922,244.10 and 381,893.32

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Solution

The fourth proportional to 668,354.68, 922,244.10 and 381,893.32 is: 526,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,354.68 : 922,244.10 = 381,893.32 : x
  2. Step 2: Convert to fraction form
    668,354.68/922,244.10 = 381,893.32/x
  3. Step 3: Cross multiply
    668,354.68x = 922,244.10 × 381,893.32
  4. Step 4: Simplify right side
    668,354.68x = 352,198,861,199.41
  5. Step 5: Solve for x
    x = 352,198,861,199.41/668,354.68
  6. Step 6: Final answer
    x = 526,964.01

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1.5x scale

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.