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Finding the Fourth Proportional to 575,042.52, 793,564.05 and 316,928.92

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Solution

The fourth proportional to 575,042.52, 793,564.05 and 316,928.92 is: 437,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,042.52 : 793,564.05 = 316,928.92 : x
  2. Step 2: Convert to fraction form
    575,042.52/793,564.05 = 316,928.92/x
  3. Step 3: Cross multiply
    575,042.52x = 793,564.05 × 316,928.92
  4. Step 4: Simplify right side
    575,042.52x = 251,503,397,317.33
  5. Step 5: Solve for x
    x = 251,503,397,317.33/575,042.52
  6. Step 6: Final answer
    x = 437,364.87

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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.