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Finding the Fourth Proportional to 427,323.92, 589,888.59 and 266,258.55

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Solution

The fourth proportional to 427,323.92, 589,888.59 and 266,258.55 is: 367,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,323.92 : 589,888.59 = 266,258.55 : x
  2. Step 2: Convert to fraction form
    427,323.92/589,888.59 = 266,258.55/x
  3. Step 3: Cross multiply
    427,323.92x = 589,888.59 × 266,258.55
  4. Step 4: Simplify right side
    427,323.92x = 157,062,878,530.43
  5. Step 5: Solve for x
    x = 157,062,878,530.43/427,323.92
  6. Step 6: Final answer
    x = 367,549.93

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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.