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Finding the Fourth Proportional to 296,420.19, 409,295.66 and 273,750.89

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Solution

The fourth proportional to 296,420.19, 409,295.66 and 273,750.89 is: 377,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,420.19 : 409,295.66 = 273,750.89 : x
  2. Step 2: Convert to fraction form
    296,420.19/409,295.66 = 273,750.89/x
  3. Step 3: Cross multiply
    296,420.19x = 409,295.66 × 273,750.89
  4. Step 4: Simplify right side
    296,420.19x = 112,045,047,782.91
  5. Step 5: Solve for x
    x = 112,045,047,782.91/296,420.19
  6. Step 6: Final answer
    x = 377,993.98

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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.