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Finding the Fourth Proportional to 427,588.89, 590,064.35 and 236,602.41

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Solution

The fourth proportional to 427,588.89, 590,064.35 and 236,602.41 is: 326,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,588.89 : 590,064.35 = 236,602.41 : x
  2. Step 2: Convert to fraction form
    427,588.89/590,064.35 = 236,602.41/x
  3. Step 3: Cross multiply
    427,588.89x = 590,064.35 × 236,602.41
  4. Step 4: Simplify right side
    427,588.89x = 139,610,646,082.07
  5. Step 5: Solve for x
    x = 139,610,646,082.07/427,588.89
  6. Step 6: Final answer
    x = 326,506.72

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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.