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Finding the Fourth Proportional to 535,174.33, 801,186.82 and 357,240.01

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Solution

The fourth proportional to 535,174.33, 801,186.82 and 357,240.01 is: 534,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,174.33 : 801,186.82 = 357,240.01 : x
  2. Step 2: Convert to fraction form
    535,174.33/801,186.82 = 357,240.01/x
  3. Step 3: Cross multiply
    535,174.33x = 801,186.82 × 357,240.01
  4. Step 4: Simplify right side
    535,174.33x = 286,215,987,588.67
  5. Step 5: Solve for x
    x = 286,215,987,588.67/535,174.33
  6. Step 6: Final answer
    x = 534,808.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.