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Finding the Fourth Proportional to 360,396.23, 497,450.57 and 237,977.98

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Solution

The fourth proportional to 360,396.23, 497,450.57 and 237,977.98 is: 328,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,396.23 : 497,450.57 = 237,977.98 : x
  2. Step 2: Convert to fraction form
    360,396.23/497,450.57 = 237,977.98/x
  3. Step 3: Cross multiply
    360,396.23x = 497,450.57 × 237,977.98
  4. Step 4: Simplify right side
    360,396.23x = 118,382,279,364.93
  5. Step 5: Solve for x
    x = 118,382,279,364.93/360,396.23
  6. Step 6: Final answer
    x = 328,478.13

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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.