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Finding the Fourth Proportional to 404,923.60, 607,399.80 and 124,440.40

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Solution

The fourth proportional to 404,923.60, 607,399.80 and 124,440.40 is: 186,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,923.60 : 607,399.80 = 124,440.40 : x
  2. Step 2: Convert to fraction form
    404,923.60/607,399.80 = 124,440.40/x
  3. Step 3: Cross multiply
    404,923.60x = 607,399.80 × 124,440.40
  4. Step 4: Simplify right side
    404,923.60x = 75,585,074,071.92
  5. Step 5: Solve for x
    x = 75,585,074,071.92/404,923.60
  6. Step 6: Final answer
    x = 186,665.03

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1.5x scale

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.