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Finding the Fourth Proportional to 560,012.64, 840,003.84 and 180,932.64

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Solution

The fourth proportional to 560,012.64, 840,003.84 and 180,932.64 is: 271,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,012.64 : 840,003.84 = 180,932.64 : x
  2. Step 2: Convert to fraction form
    560,012.64/840,003.84 = 180,932.64/x
  3. Step 3: Cross multiply
    560,012.64x = 840,003.84 × 180,932.64
  4. Step 4: Simplify right side
    560,012.64x = 151,984,112,381.34
  5. Step 5: Solve for x
    x = 151,984,112,381.34/560,012.64
  6. Step 6: Final answer
    x = 271,394.07

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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.