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Finding the Fourth Proportional to 469,915.64, 704,873.48 and 114,925.44

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Solution

The fourth proportional to 469,915.64, 704,873.48 and 114,925.44 is: 172,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,915.64 : 704,873.48 = 114,925.44 : x
  2. Step 2: Convert to fraction form
    469,915.64/704,873.48 = 114,925.44/x
  3. Step 3: Cross multiply
    469,915.64x = 704,873.48 × 114,925.44
  4. Step 4: Simplify right side
    469,915.64x = 81,007,894,833.33
  5. Step 5: Solve for x
    x = 81,007,894,833.33/469,915.64
  6. Step 6: Final answer
    x = 172,388.16

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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.