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Finding the Fourth Proportional to 560,202.47, 773,144.76 and 318,521.25

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Solution

The fourth proportional to 560,202.47, 773,144.76 and 318,521.25 is: 439,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,202.47 : 773,144.76 = 318,521.25 : x
  2. Step 2: Convert to fraction form
    560,202.47/773,144.76 = 318,521.25/x
  3. Step 3: Cross multiply
    560,202.47x = 773,144.76 × 318,521.25
  4. Step 4: Simplify right side
    560,202.47x = 246,263,035,386.15
  5. Step 5: Solve for x
    x = 246,263,035,386.15/560,202.47
  6. Step 6: Final answer
    x = 439,596.49

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Similar ratio
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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.