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Finding the Fourth Proportional to 492,048.37, 679,023.62 and 277,257.61

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Solution

The fourth proportional to 492,048.37, 679,023.62 and 277,257.61 is: 382,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,048.37 : 679,023.62 = 277,257.61 : x
  2. Step 2: Convert to fraction form
    492,048.37/679,023.62 = 277,257.61/x
  3. Step 3: Cross multiply
    492,048.37x = 679,023.62 × 277,257.61
  4. Step 4: Simplify right side
    492,048.37x = 188,264,463,312.77
  5. Step 5: Solve for x
    x = 188,264,463,312.77/492,048.37
  6. Step 6: Final answer
    x = 382,613.74

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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.