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Finding the Fourth Proportional to 560,173.63, 773,035.96 and 318,456.27

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Solution

The fourth proportional to 560,173.63, 773,035.96 and 318,456.27 is: 439,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,173.63 : 773,035.96 = 318,456.27 : x
  2. Step 2: Convert to fraction form
    560,173.63/773,035.96 = 318,456.27/x
  3. Step 3: Cross multiply
    560,173.63x = 773,035.96 × 318,456.27
  4. Step 4: Simplify right side
    560,173.63x = 246,178,148,397.47
  5. Step 5: Solve for x
    x = 246,178,148,397.47/560,173.63
  6. Step 6: Final answer
    x = 439,467.58

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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.