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Finding the Fourth Proportional to 617,680.06, 926,153.76 and 191,089.51

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Solution

The fourth proportional to 617,680.06, 926,153.76 and 191,089.51 is: 286,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,680.06 : 926,153.76 = 191,089.51 : x
  2. Step 2: Convert to fraction form
    617,680.06/926,153.76 = 191,089.51/x
  3. Step 3: Cross multiply
    617,680.06x = 926,153.76 × 191,089.51
  4. Step 4: Simplify right side
    617,680.06x = 176,978,268,183.06
  5. Step 5: Solve for x
    x = 176,978,268,183.06/617,680.06
  6. Step 6: Final answer
    x = 286,520.93

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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.