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Finding the Fourth Proportional to 556,220.53, 833,835.99 and 201,155.61

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Solution

The fourth proportional to 556,220.53, 833,835.99 and 201,155.61 is: 301,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,220.53 : 833,835.99 = 201,155.61 : x
  2. Step 2: Convert to fraction form
    556,220.53/833,835.99 = 201,155.61/x
  3. Step 3: Cross multiply
    556,220.53x = 833,835.99 × 201,155.61
  4. Step 4: Simplify right side
    556,220.53x = 167,730,789,958.12
  5. Step 5: Solve for x
    x = 167,730,789,958.12/556,220.53
  6. Step 6: Final answer
    x = 301,554.47

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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.