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Finding the Fourth Proportional to 556,222.76, 833,839.32 and 201,157.84

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Solution

The fourth proportional to 556,222.76, 833,839.32 and 201,157.84 is: 301,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,222.76 : 833,839.32 = 201,157.84 : x
  2. Step 2: Convert to fraction form
    556,222.76/833,839.32 = 201,157.84/x
  3. Step 3: Cross multiply
    556,222.76x = 833,839.32 × 201,157.84
  4. Step 4: Simplify right side
    556,222.76x = 167,733,316,518.27
  5. Step 5: Solve for x
    x = 167,733,316,518.27/556,222.76
  6. Step 6: Final answer
    x = 301,557.81

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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.