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Finding the Fourth Proportional to 560,347, 773,300.44 and 318,651.36

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Solution

The fourth proportional to 560,347, 773,300.44 and 318,651.36 is: 439,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,347 : 773,300.44 = 318,651.36 : x
  2. Step 2: Convert to fraction form
    560,347/773,300.44 = 318,651.36/x
  3. Step 3: Cross multiply
    560,347x = 773,300.44 × 318,651.36
  4. Step 4: Simplify right side
    560,347x = 246,413,236,894.60
  5. Step 5: Solve for x
    x = 246,413,236,894.60/560,347
  6. Step 6: Final answer
    x = 439,751.15

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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.