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Finding the Fourth Proportional to 560,297.48, 773,247.06 and 318,602.54

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Solution

The fourth proportional to 560,297.48, 773,247.06 and 318,602.54 is: 439,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,297.48 : 773,247.06 = 318,602.54 : x
  2. Step 2: Convert to fraction form
    560,297.48/773,247.06 = 318,602.54/x
  3. Step 3: Cross multiply
    560,297.48x = 773,247.06 × 318,602.54
  4. Step 4: Simplify right side
    560,297.48x = 246,358,477,363.53
  5. Step 5: Solve for x
    x = 246,358,477,363.53/560,297.48
  6. Step 6: Final answer
    x = 439,692.28

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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.