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Finding the Fourth Proportional to 304,448.76, 456,722.28 and 104,720.40

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Solution

The fourth proportional to 304,448.76, 456,722.28 and 104,720.40 is: 157,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,448.76 : 456,722.28 = 104,720.40 : x
  2. Step 2: Convert to fraction form
    304,448.76/456,722.28 = 104,720.40/x
  3. Step 3: Cross multiply
    304,448.76x = 456,722.28 × 104,720.40
  4. Step 4: Simplify right side
    304,448.76x = 47,828,139,850.51
  5. Step 5: Solve for x
    x = 47,828,139,850.51/304,448.76
  6. Step 6: Final answer
    x = 157,097.50

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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.