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Finding the Fourth Proportional to 424,716.14, 586,110.22 and 243,438.67

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Solution

The fourth proportional to 424,716.14, 586,110.22 and 243,438.67 is: 335,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,716.14 : 586,110.22 = 243,438.67 : x
  2. Step 2: Convert to fraction form
    424,716.14/586,110.22 = 243,438.67/x
  3. Step 3: Cross multiply
    424,716.14x = 586,110.22 × 243,438.67
  4. Step 4: Simplify right side
    424,716.14x = 142,681,893,394.28
  5. Step 5: Solve for x
    x = 142,681,893,394.28/424,716.14
  6. Step 6: Final answer
    x = 335,946.48

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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.