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Finding the Fourth Proportional to 492,082.80, 679,124.52 and 301,222.32

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Solution

The fourth proportional to 492,082.80, 679,124.52 and 301,222.32 is: 415,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,082.80 : 679,124.52 = 301,222.32 : x
  2. Step 2: Convert to fraction form
    492,082.80/679,124.52 = 301,222.32/x
  3. Step 3: Cross multiply
    492,082.80x = 679,124.52 × 301,222.32
  4. Step 4: Simplify right side
    492,082.80x = 204,567,463,483.29
  5. Step 5: Solve for x
    x = 204,567,463,483.29/492,082.80
  6. Step 6: Final answer
    x = 415,717.57

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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.