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Finding the Fourth Proportional to 427,304.97, 589,692.69 and 236,330.46

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Solution

The fourth proportional to 427,304.97, 589,692.69 and 236,330.46 is: 326,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,304.97 : 589,692.69 = 236,330.46 : x
  2. Step 2: Convert to fraction form
    427,304.97/589,692.69 = 236,330.46/x
  3. Step 3: Cross multiply
    427,304.97x = 589,692.69 × 236,330.46
  4. Step 4: Simplify right side
    427,304.97x = 139,362,344,686.34
  5. Step 5: Solve for x
    x = 139,362,344,686.34/427,304.97
  6. Step 6: Final answer
    x = 326,142.58

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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.