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Finding the Fourth Proportional to 427,154, 589,462.76 and 236,168.96

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Solution

The fourth proportional to 427,154, 589,462.76 and 236,168.96 is: 325,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,154 : 589,462.76 = 236,168.96 : x
  2. Step 2: Convert to fraction form
    427,154/589,462.76 = 236,168.96/x
  3. Step 3: Cross multiply
    427,154x = 589,462.76 × 236,168.96
  4. Step 4: Simplify right side
    427,154x = 139,212,806,987.93
  5. Step 5: Solve for x
    x = 139,212,806,987.93/427,154
  6. Step 6: Final answer
    x = 325,907.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.