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Finding the Fourth Proportional to 423,530.34, 584,745.39 and 262,557.42

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Solution

The fourth proportional to 423,530.34, 584,745.39 and 262,557.42 is: 362,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,530.34 : 584,745.39 = 262,557.42 : x
  2. Step 2: Convert to fraction form
    423,530.34/584,745.39 = 262,557.42/x
  3. Step 3: Cross multiply
    423,530.34x = 584,745.39 × 262,557.42
  4. Step 4: Simplify right side
    423,530.34x = 153,529,240,955.29
  5. Step 5: Solve for x
    x = 153,529,240,955.29/423,530.34
  6. Step 6: Final answer
    x = 362,498.80

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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.