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Finding the Fourth Proportional to 423,575.01, 584,594.73 and 253,824.93

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Solution

The fourth proportional to 423,575.01, 584,594.73 and 253,824.93 is: 350,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,575.01 : 584,594.73 = 253,824.93 : x
  2. Step 2: Convert to fraction form
    423,575.01/584,594.73 = 253,824.93/x
  3. Step 3: Cross multiply
    423,575.01x = 584,594.73 × 253,824.93
  4. Step 4: Simplify right side
    423,575.01x = 148,384,716,420.62
  5. Step 5: Solve for x
    x = 148,384,716,420.62/423,575.01
  6. Step 6: Final answer
    x = 350,315.09

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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.