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Finding the Fourth Proportional to 304,290.24, 419,923.20 and 183,437.76

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Solution

The fourth proportional to 304,290.24, 419,923.20 and 183,437.76 is: 253,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,290.24 : 419,923.20 = 183,437.76 : x
  2. Step 2: Convert to fraction form
    304,290.24/419,923.20 = 183,437.76/x
  3. Step 3: Cross multiply
    304,290.24x = 419,923.20 × 183,437.76
  4. Step 4: Simplify right side
    304,290.24x = 77,029,771,180.03
  5. Step 5: Solve for x
    x = 77,029,771,180.03/304,290.24
  6. Step 6: Final answer
    x = 253,145.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.