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Finding the Fourth Proportional to 575,113.22, 793,715.30 and 345,744.76

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Solution

The fourth proportional to 575,113.22, 793,715.30 and 345,744.76 is: 477,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,113.22 : 793,715.30 = 345,744.76 : x
  2. Step 2: Convert to fraction form
    575,113.22/793,715.30 = 345,744.76/x
  3. Step 3: Cross multiply
    575,113.22x = 793,715.30 × 345,744.76
  4. Step 4: Simplify right side
    575,113.22x = 274,422,905,906.83
  5. Step 5: Solve for x
    x = 274,422,905,906.83/575,113.22
  6. Step 6: Final answer
    x = 477,163.27

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Double scale
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Similar ratio
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1.5x scale

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.