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Finding the Fourth Proportional to 415,973.45, 574,042.74 and 224,986.25

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Solution

The fourth proportional to 415,973.45, 574,042.74 and 224,986.25 is: 310,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,973.45 : 574,042.74 = 224,986.25 : x
  2. Step 2: Convert to fraction form
    415,973.45/574,042.74 = 224,986.25/x
  3. Step 3: Cross multiply
    415,973.45x = 574,042.74 × 224,986.25
  4. Step 4: Simplify right side
    415,973.45x = 129,151,723,412.33
  5. Step 5: Solve for x
    x = 129,151,723,412.33/415,973.45
  6. Step 6: Final answer
    x = 310,480.69

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Double scale
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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.