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Finding the Fourth Proportional to 572,744.34, 859,049.79 and 152,052.90

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Solution

The fourth proportional to 572,744.34, 859,049.79 and 152,052.90 is: 228,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,744.34 : 859,049.79 = 152,052.90 : x
  2. Step 2: Convert to fraction form
    572,744.34/859,049.79 = 152,052.90/x
  3. Step 3: Cross multiply
    572,744.34x = 859,049.79 × 152,052.90
  4. Step 4: Simplify right side
    572,744.34x = 130,621,011,813.89
  5. Step 5: Solve for x
    x = 130,621,011,813.89/572,744.34
  6. Step 6: Final answer
    x = 228,061.64

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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.