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Finding the Fourth Proportional to 884,274.64, 1,325,427 and 351,653.20

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Solution

The fourth proportional to 884,274.64, 1,325,427 and 351,653.20 is: 527,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,274.64 : 1,325,427 = 351,653.20 : x
  2. Step 2: Convert to fraction form
    884,274.64/1,325,427 = 351,653.20/x
  3. Step 3: Cross multiply
    884,274.64x = 1,325,427 × 351,653.20
  4. Step 4: Simplify right side
    884,274.64x = 466,090,645,916.40
  5. Step 5: Solve for x
    x = 466,090,645,916.40/884,274.64
  6. Step 6: Final answer
    x = 527,088.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.