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Finding the Fourth Proportional to 341,309.80, 511,311.90 and 183,485.80

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Solution

The fourth proportional to 341,309.80, 511,311.90 and 183,485.80 is: 274,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,309.80 : 511,311.90 = 183,485.80 : x
  2. Step 2: Convert to fraction form
    341,309.80/511,311.90 = 183,485.80/x
  3. Step 3: Cross multiply
    341,309.80x = 511,311.90 × 183,485.80
  4. Step 4: Simplify right side
    341,309.80x = 93,818,473,021.02
  5. Step 5: Solve for x
    x = 93,818,473,021.02/341,309.80
  6. Step 6: Final answer
    x = 274,877.76

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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.