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Finding the Fourth Proportional to 575,138.90, 793,694.84 and 333,564.72

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Solution

The fourth proportional to 575,138.90, 793,694.84 and 333,564.72 is: 460,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,138.90 : 793,694.84 = 333,564.72 : x
  2. Step 2: Convert to fraction form
    575,138.90/793,694.84 = 333,564.72/x
  3. Step 3: Cross multiply
    575,138.90x = 793,694.84 × 333,564.72
  4. Step 4: Simplify right side
    575,138.90x = 264,748,595,402.22
  5. Step 5: Solve for x
    x = 264,748,595,402.22/575,138.90
  6. Step 6: Final answer
    x = 460,321.15

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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.