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Finding the Fourth Proportional to 444,728.40, 613,725.58 and 240,779.46

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Solution

The fourth proportional to 444,728.40, 613,725.58 and 240,779.46 is: 332,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,728.40 : 613,725.58 = 240,779.46 : x
  2. Step 2: Convert to fraction form
    444,728.40/613,725.58 = 240,779.46/x
  3. Step 3: Cross multiply
    444,728.40x = 613,725.58 × 240,779.46
  4. Step 4: Simplify right side
    444,728.40x = 147,772,513,740.59
  5. Step 5: Solve for x
    x = 147,772,513,740.59/444,728.40
  6. Step 6: Final answer
    x = 332,275.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.