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Finding the Fourth Proportional to 304,428.92, 456,633.96 and 144,619.89

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Solution

The fourth proportional to 304,428.92, 456,633.96 and 144,619.89 is: 216,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,428.92 : 456,633.96 = 144,619.89 : x
  2. Step 2: Convert to fraction form
    304,428.92/456,633.96 = 144,619.89/x
  3. Step 3: Cross multiply
    304,428.92x = 456,633.96 × 144,619.89
  4. Step 4: Simplify right side
    304,428.92x = 66,038,353,065.46
  5. Step 5: Solve for x
    x = 66,038,353,065.46/304,428.92
  6. Step 6: Final answer
    x = 216,925.36

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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.