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Finding the Fourth Proportional to 610,812.68, 916,277.32 and 189,975.56

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Solution

The fourth proportional to 610,812.68, 916,277.32 and 189,975.56 is: 284,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,812.68 : 916,277.32 = 189,975.56 : x
  2. Step 2: Convert to fraction form
    610,812.68/916,277.32 = 189,975.56/x
  3. Step 3: Cross multiply
    610,812.68x = 916,277.32 × 189,975.56
  4. Step 4: Simplify right side
    610,812.68x = 174,070,296,982.30
  5. Step 5: Solve for x
    x = 174,070,296,982.30/610,812.68
  6. Step 6: Final answer
    x = 284,981.47

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1.5x scale

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.