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Finding the Fourth Proportional to 575,196.60, 793,806 and 317,073.21

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Solution

The fourth proportional to 575,196.60, 793,806 and 317,073.21 is: 437,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,196.60 : 793,806 = 317,073.21 : x
  2. Step 2: Convert to fraction form
    575,196.60/793,806 = 317,073.21/x
  3. Step 3: Cross multiply
    575,196.60x = 793,806 × 317,073.21
  4. Step 4: Simplify right side
    575,196.60x = 251,694,616,537.26
  5. Step 5: Solve for x
    x = 251,694,616,537.26/575,196.60
  6. Step 6: Final answer
    x = 437,580.15

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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.