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Finding the Fourth Proportional to 404,124.40, 605,797.80 and 314,117.20

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Solution

The fourth proportional to 404,124.40, 605,797.80 and 314,117.20 is: 470,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,124.40 : 605,797.80 = 314,117.20 : x
  2. Step 2: Convert to fraction form
    404,124.40/605,797.80 = 314,117.20/x
  3. Step 3: Cross multiply
    404,124.40x = 605,797.80 × 314,117.20
  4. Step 4: Simplify right side
    404,124.40x = 190,291,508,702.16
  5. Step 5: Solve for x
    x = 190,291,508,702.16/404,124.40
  6. Step 6: Final answer
    x = 470,873.59

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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.