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Finding the Fourth Proportional to 575,151.64, 793,768.34 and 345,783.67

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Solution

The fourth proportional to 575,151.64, 793,768.34 and 345,783.67 is: 477,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,151.64 : 793,768.34 = 345,783.67 : x
  2. Step 2: Convert to fraction form
    575,151.64/793,768.34 = 345,783.67/x
  3. Step 3: Cross multiply
    575,151.64x = 793,768.34 × 345,783.67
  4. Step 4: Simplify right side
    575,151.64x = 274,472,128,615.05
  5. Step 5: Solve for x
    x = 274,472,128,615.05/575,151.64
  6. Step 6: Final answer
    x = 477,216.98

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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.