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Finding the Fourth Proportional to 560,302.96, 773,254.66 and 318,608.04

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Solution

The fourth proportional to 560,302.96, 773,254.66 and 318,608.04 is: 439,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,302.96 : 773,254.66 = 318,608.04 : x
  2. Step 2: Convert to fraction form
    560,302.96/773,254.66 = 318,608.04/x
  3. Step 3: Cross multiply
    560,302.96x = 773,254.66 × 318,608.04
  4. Step 4: Simplify right side
    560,302.96x = 246,365,151,643.47
  5. Step 5: Solve for x
    x = 246,365,151,643.47/560,302.96
  6. Step 6: Final answer
    x = 439,699.89

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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.