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Finding the Fourth Proportional to 304,607.12, 456,959.64 and 104,878.40

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Solution

The fourth proportional to 304,607.12, 456,959.64 and 104,878.40 is: 157,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,607.12 : 456,959.64 = 104,878.40 : x
  2. Step 2: Convert to fraction form
    304,607.12/456,959.64 = 104,878.40/x
  3. Step 3: Cross multiply
    304,607.12x = 456,959.64 × 104,878.40
  4. Step 4: Simplify right side
    304,607.12x = 47,925,195,907.78
  5. Step 5: Solve for x
    x = 47,925,195,907.78/304,607.12
  6. Step 6: Final answer
    x = 157,334.46

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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.