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Finding the Fourth Proportional to 307,599.93, 424,520.73 and 171,681.12

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Solution

The fourth proportional to 307,599.93, 424,520.73 and 171,681.12 is: 236,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,599.93 : 424,520.73 = 171,681.12 : x
  2. Step 2: Convert to fraction form
    307,599.93/424,520.73 = 171,681.12/x
  3. Step 3: Cross multiply
    307,599.93x = 424,520.73 × 171,681.12
  4. Step 4: Simplify right side
    307,599.93x = 72,882,194,389.62
  5. Step 5: Solve for x
    x = 72,882,194,389.62/307,599.93
  6. Step 6: Final answer
    x = 236,938.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.