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Finding the Fourth Proportional to 622,982.80, 934,128.60 and 248,582.80

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Solution

The fourth proportional to 622,982.80, 934,128.60 and 248,582.80 is: 372,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,982.80 : 934,128.60 = 248,582.80 : x
  2. Step 2: Convert to fraction form
    622,982.80/934,128.60 = 248,582.80/x
  3. Step 3: Cross multiply
    622,982.80x = 934,128.60 × 248,582.80
  4. Step 4: Simplify right side
    622,982.80x = 232,208,302,948.08
  5. Step 5: Solve for x
    x = 232,208,302,948.08/622,982.80
  6. Step 6: Final answer
    x = 372,736.30

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Double scale
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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.