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Finding the Fourth Proportional to 575,117.29, 793,720.90 and 345,748.82

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Solution

The fourth proportional to 575,117.29, 793,720.90 and 345,748.82 is: 477,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,117.29 : 793,720.90 = 345,748.82 : x
  2. Step 2: Convert to fraction form
    575,117.29/793,720.90 = 345,748.82/x
  3. Step 3: Cross multiply
    575,117.29x = 793,720.90 × 345,748.82
  4. Step 4: Simplify right side
    575,117.29x = 274,428,064,584.34
  5. Step 5: Solve for x
    x = 274,428,064,584.34/575,117.29
  6. Step 6: Final answer
    x = 477,168.87

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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.