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Finding the Fourth Proportional to 304,315.70, 456,473.55 and 281,570.90

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Solution

The fourth proportional to 304,315.70, 456,473.55 and 281,570.90 is: 422,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,315.70 : 456,473.55 = 281,570.90 : x
  2. Step 2: Convert to fraction form
    304,315.70/456,473.55 = 281,570.90/x
  3. Step 3: Cross multiply
    304,315.70x = 456,473.55 × 281,570.90
  4. Step 4: Simplify right side
    304,315.70x = 128,529,668,299.70
  5. Step 5: Solve for x
    x = 128,529,668,299.70/304,315.70
  6. Step 6: Final answer
    x = 422,356.35

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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.