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Finding the Fourth Proportional to 273,265.20, 409,897.80 and 198,032.40

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Solution

The fourth proportional to 273,265.20, 409,897.80 and 198,032.40 is: 297,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,265.20 : 409,897.80 = 198,032.40 : x
  2. Step 2: Convert to fraction form
    273,265.20/409,897.80 = 198,032.40/x
  3. Step 3: Cross multiply
    273,265.20x = 409,897.80 × 198,032.40
  4. Step 4: Simplify right side
    273,265.20x = 81,173,045,088.72
  5. Step 5: Solve for x
    x = 81,173,045,088.72/273,265.20
  6. Step 6: Final answer
    x = 297,048.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.