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Finding the Fourth Proportional to 304,285.51, 456,690.71 and 117,428.23

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Solution

The fourth proportional to 304,285.51, 456,690.71 and 117,428.23 is: 176,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,285.51 : 456,690.71 = 117,428.23 : x
  2. Step 2: Convert to fraction form
    304,285.51/456,690.71 = 117,428.23/x
  3. Step 3: Cross multiply
    304,285.51x = 456,690.71 × 117,428.23
  4. Step 4: Simplify right side
    304,285.51x = 53,628,381,732.74
  5. Step 5: Solve for x
    x = 53,628,381,732.74/304,285.51
  6. Step 6: Final answer
    x = 176,243.63

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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.