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Finding the Fourth Proportional to 635,264.70, 876,666.99 and 348,803.34

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Solution

The fourth proportional to 635,264.70, 876,666.99 and 348,803.34 is: 481,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,264.70 : 876,666.99 = 348,803.34 : x
  2. Step 2: Convert to fraction form
    635,264.70/876,666.99 = 348,803.34/x
  3. Step 3: Cross multiply
    635,264.70x = 876,666.99 × 348,803.34
  4. Step 4: Simplify right side
    635,264.70x = 305,784,374,179.75
  5. Step 5: Solve for x
    x = 305,784,374,179.75/635,264.70
  6. Step 6: Final answer
    x = 481,349.54

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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.