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Finding the Fourth Proportional to 415,579.48, 573,595.08 and 254,523.28

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Solution

The fourth proportional to 415,579.48, 573,595.08 and 254,523.28 is: 351,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,579.48 : 573,595.08 = 254,523.28 : x
  2. Step 2: Convert to fraction form
    415,579.48/573,595.08 = 254,523.28/x
  3. Step 3: Cross multiply
    415,579.48x = 573,595.08 × 254,523.28
  4. Step 4: Simplify right side
    415,579.48x = 145,993,301,153.46
  5. Step 5: Solve for x
    x = 145,993,301,153.46/415,579.48
  6. Step 6: Final answer
    x = 351,300.55

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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.