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Finding the Fourth Proportional to 358,223.87, 494,348.94 and 197,075.46

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Solution

The fourth proportional to 358,223.87, 494,348.94 and 197,075.46 is: 271,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,223.87 : 494,348.94 = 197,075.46 : x
  2. Step 2: Convert to fraction form
    358,223.87/494,348.94 = 197,075.46/x
  3. Step 3: Cross multiply
    358,223.87x = 494,348.94 × 197,075.46
  4. Step 4: Simplify right side
    358,223.87x = 97,424,044,751.01
  5. Step 5: Solve for x
    x = 97,424,044,751.01/358,223.87
  6. Step 6: Final answer
    x = 271,964.13

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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.