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Finding the Fourth Proportional to 281,593.89, 388,596.33 and 152,529.93

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Solution

The fourth proportional to 281,593.89, 388,596.33 and 152,529.93 is: 210,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,593.89 : 388,596.33 = 152,529.93 : x
  2. Step 2: Convert to fraction form
    281,593.89/388,596.33 = 152,529.93/x
  3. Step 3: Cross multiply
    281,593.89x = 388,596.33 × 152,529.93
  4. Step 4: Simplify right side
    281,593.89x = 59,272,571,013.16
  5. Step 5: Solve for x
    x = 59,272,571,013.16/281,593.89
  6. Step 6: Final answer
    x = 210,489.55

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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.