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Finding the Fourth Proportional to 304,056.80, 456,085.20 and 192,082.40

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Solution

The fourth proportional to 304,056.80, 456,085.20 and 192,082.40 is: 288,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,056.80 : 456,085.20 = 192,082.40 : x
  2. Step 2: Convert to fraction form
    304,056.80/456,085.20 = 192,082.40/x
  3. Step 3: Cross multiply
    304,056.80x = 456,085.20 × 192,082.40
  4. Step 4: Simplify right side
    304,056.80x = 87,605,939,820.48
  5. Step 5: Solve for x
    x = 87,605,939,820.48/304,056.80
  6. Step 6: Final answer
    x = 288,123.60

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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.