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Finding the Fourth Proportional to 585,787.58, 878,509.12 and 248,825.55

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Solution

The fourth proportional to 585,787.58, 878,509.12 and 248,825.55 is: 373,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,787.58 : 878,509.12 = 248,825.55 : x
  2. Step 2: Convert to fraction form
    585,787.58/878,509.12 = 248,825.55/x
  3. Step 3: Cross multiply
    585,787.58x = 878,509.12 × 248,825.55
  4. Step 4: Simplify right side
    585,787.58x = 218,595,514,964.02
  5. Step 5: Solve for x
    x = 218,595,514,964.02/585,787.58
  6. Step 6: Final answer
    x = 373,165.16

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1.5x scale

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.