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Finding the Fourth Proportional to 635,035.37, 876,348.59 and 348,554.77

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Solution

The fourth proportional to 635,035.37, 876,348.59 and 348,554.77 is: 481,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,035.37 : 876,348.59 = 348,554.77 : x
  2. Step 2: Convert to fraction form
    635,035.37/876,348.59 = 348,554.77/x
  3. Step 3: Cross multiply
    635,035.37x = 876,348.59 × 348,554.77
  4. Step 4: Simplify right side
    635,035.37x = 305,455,477,293.63
  5. Step 5: Solve for x
    x = 305,455,477,293.63/635,035.37
  6. Step 6: Final answer
    x = 481,005.46

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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.