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Finding the Fourth Proportional to 535,166.19, 801,174.66 and 357,231.87

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Solution

The fourth proportional to 535,166.19, 801,174.66 and 357,231.87 is: 534,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,166.19 : 801,174.66 = 357,231.87 : x
  2. Step 2: Convert to fraction form
    535,166.19/801,174.66 = 357,231.87/x
  3. Step 3: Cross multiply
    535,166.19x = 801,174.66 × 357,231.87
  4. Step 4: Simplify right side
    535,166.19x = 286,205,121,988.41
  5. Step 5: Solve for x
    x = 286,205,121,988.41/535,166.19
  6. Step 6: Final answer
    x = 534,796.72

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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.