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Finding the Fourth Proportional to 282,689.88, 424,078.56 and 175,991.63

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Solution

The fourth proportional to 282,689.88, 424,078.56 and 175,991.63 is: 264,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,689.88 : 424,078.56 = 175,991.63 : x
  2. Step 2: Convert to fraction form
    282,689.88/424,078.56 = 175,991.63/x
  3. Step 3: Cross multiply
    282,689.88x = 424,078.56 × 175,991.63
  4. Step 4: Simplify right side
    282,689.88x = 74,634,274,902.06
  5. Step 5: Solve for x
    x = 74,634,274,902.06/282,689.88
  6. Step 6: Final answer
    x = 264,014.67

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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.