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Finding the Fourth Proportional to 401,682.69, 602,521.43 and 102,160.67

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Solution

The fourth proportional to 401,682.69, 602,521.43 and 102,160.67 is: 153,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,682.69 : 602,521.43 = 102,160.67 : x
  2. Step 2: Convert to fraction form
    401,682.69/602,521.43 = 102,160.67/x
  3. Step 3: Cross multiply
    401,682.69x = 602,521.43 × 102,160.67
  4. Step 4: Simplify right side
    401,682.69x = 61,553,989,454.75
  5. Step 5: Solve for x
    x = 61,553,989,454.75/401,682.69
  6. Step 6: Final answer
    x = 153,240.33

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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.