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Finding the Fourth Proportional to 369,216.25, 509,265.50 and 226,047.04

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Solution

The fourth proportional to 369,216.25, 509,265.50 and 226,047.04 is: 311,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,216.25 : 509,265.50 = 226,047.04 : x
  2. Step 2: Convert to fraction form
    369,216.25/509,265.50 = 226,047.04/x
  3. Step 3: Cross multiply
    369,216.25x = 509,265.50 × 226,047.04
  4. Step 4: Simplify right side
    369,216.25x = 115,117,956,445.72
  5. Step 5: Solve for x
    x = 115,117,956,445.72/369,216.25
  6. Step 6: Final answer
    x = 311,790.06

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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.