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Finding the Fourth Proportional to 404,725.32, 607,036.14 and 124,219.08

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Solution

The fourth proportional to 404,725.32, 607,036.14 and 124,219.08 is: 186,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,725.32 : 607,036.14 = 124,219.08 : x
  2. Step 2: Convert to fraction form
    404,725.32/607,036.14 = 124,219.08/x
  3. Step 3: Cross multiply
    404,725.32x = 607,036.14 × 124,219.08
  4. Step 4: Simplify right side
    404,725.32x = 75,405,470,837.55
  5. Step 5: Solve for x
    x = 75,405,470,837.55/404,725.32
  6. Step 6: Final answer
    x = 186,312.71

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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.