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Finding the Fourth Proportional to 352,528.98, 528,268.41 and 194,802.54

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Solution

The fourth proportional to 352,528.98, 528,268.41 and 194,802.54 is: 291,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,528.98 : 528,268.41 = 194,802.54 : x
  2. Step 2: Convert to fraction form
    352,528.98/528,268.41 = 194,802.54/x
  3. Step 3: Cross multiply
    352,528.98x = 528,268.41 × 194,802.54
  4. Step 4: Simplify right side
    352,528.98x = 102,908,028,069.76
  5. Step 5: Solve for x
    x = 102,908,028,069.76/352,528.98
  6. Step 6: Final answer
    x = 291,913.67

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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.