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Finding the Fourth Proportional to 395,326.01, 592,368.11 and 305,588.61

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Solution

The fourth proportional to 395,326.01, 592,368.11 and 305,588.61 is: 457,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,326.01 : 592,368.11 = 305,588.61 : x
  2. Step 2: Convert to fraction form
    395,326.01/592,368.11 = 305,588.61/x
  3. Step 3: Cross multiply
    395,326.01x = 592,368.11 × 305,588.61
  4. Step 4: Simplify right side
    395,326.01x = 181,020,947,296.20
  5. Step 5: Solve for x
    x = 181,020,947,296.20/395,326.01
  6. Step 6: Final answer
    x = 457,902.96

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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.