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Finding the Fourth Proportional to 360,070.71, 496,901.70 and 198,922.29

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Solution

The fourth proportional to 360,070.71, 496,901.70 and 198,922.29 is: 274,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,070.71 : 496,901.70 = 198,922.29 : x
  2. Step 2: Convert to fraction form
    360,070.71/496,901.70 = 198,922.29/x
  3. Step 3: Cross multiply
    360,070.71x = 496,901.70 × 198,922.29
  4. Step 4: Simplify right side
    360,070.71x = 98,844,824,068.89
  5. Step 5: Solve for x
    x = 98,844,824,068.89/360,070.71
  6. Step 6: Final answer
    x = 274,515.04

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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.