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Finding the Fourth Proportional to 556,981.67, 835,430.98 and 177,942.45

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Solution

The fourth proportional to 556,981.67, 835,430.98 and 177,942.45 is: 266,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,981.67 : 835,430.98 = 177,942.45 : x
  2. Step 2: Convert to fraction form
    556,981.67/835,430.98 = 177,942.45/x
  3. Step 3: Cross multiply
    556,981.67x = 835,430.98 × 177,942.45
  4. Step 4: Simplify right side
    556,981.67x = 148,658,631,735.15
  5. Step 5: Solve for x
    x = 148,658,631,735.15/556,981.67
  6. Step 6: Final answer
    x = 266,900.40

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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.