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Finding the Fourth Proportional to 556,206.75, 833,815.26 and 201,141.86

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Solution

The fourth proportional to 556,206.75, 833,815.26 and 201,141.86 is: 301,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,206.75 : 833,815.26 = 201,141.86 : x
  2. Step 2: Convert to fraction form
    556,206.75/833,815.26 = 201,141.86/x
  3. Step 3: Cross multiply
    556,206.75x = 833,815.26 × 201,141.86
  4. Step 4: Simplify right side
    556,206.75x = 167,715,148,123.71
  5. Step 5: Solve for x
    x = 167,715,148,123.71/556,206.75
  6. Step 6: Final answer
    x = 301,533.82

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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.