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Finding the Fourth Proportional to 560,205.14, 773,051.65 and 318,453.62

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Solution

The fourth proportional to 560,205.14, 773,051.65 and 318,453.62 is: 439,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,205.14 : 773,051.65 = 318,453.62 : x
  2. Step 2: Convert to fraction form
    560,205.14/773,051.65 = 318,453.62/x
  3. Step 3: Cross multiply
    560,205.14x = 773,051.65 × 318,453.62
  4. Step 4: Simplify right side
    560,205.14x = 246,181,096,389.47
  5. Step 5: Solve for x
    x = 246,181,096,389.47/560,205.14
  6. Step 6: Final answer
    x = 439,448.12

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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.