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Finding the Fourth Proportional to 617,678.06, 926,150.76 and 191,087.51

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Solution

The fourth proportional to 617,678.06, 926,150.76 and 191,087.51 is: 286,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,678.06 : 926,150.76 = 191,087.51 : x
  2. Step 2: Convert to fraction form
    617,678.06/926,150.76 = 191,087.51/x
  3. Step 3: Cross multiply
    617,678.06x = 926,150.76 × 191,087.51
  4. Step 4: Simplify right side
    617,678.06x = 176,975,837,982.25
  5. Step 5: Solve for x
    x = 176,975,837,982.25/617,678.06
  6. Step 6: Final answer
    x = 286,517.93

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Similar ratio
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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.