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Finding the Fourth Proportional to 304,440.70, 427,150.10 and 304,440.70

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Solution

The fourth proportional to 304,440.70, 427,150.10 and 304,440.70 is: 427,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,440.70 : 427,150.10 = 304,440.70 : x
  2. Step 2: Convert to fraction form
    304,440.70/427,150.10 = 304,440.70/x
  3. Step 3: Cross multiply
    304,440.70x = 427,150.10 × 304,440.70
  4. Step 4: Simplify right side
    304,440.70x = 130,041,875,449.07
  5. Step 5: Solve for x
    x = 130,041,875,449.07/304,440.70
  6. Step 6: Final answer
    x = 427,150.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.