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Finding the Fourth Proportional to 560,303.33, 773,255.16 and 318,608.44

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Solution

The fourth proportional to 560,303.33, 773,255.16 and 318,608.44 is: 439,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,303.33 : 773,255.16 = 318,608.44 : x
  2. Step 2: Convert to fraction form
    560,303.33/773,255.16 = 318,608.44/x
  3. Step 3: Cross multiply
    560,303.33x = 773,255.16 × 318,608.44
  4. Step 4: Simplify right side
    560,303.33x = 246,365,618,316.41
  5. Step 5: Solve for x
    x = 246,365,618,316.41/560,303.33
  6. Step 6: Final answer
    x = 439,700.44

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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.