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Finding the Fourth Proportional to 560,293.73, 773,241.88 and 318,598.79

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Solution

The fourth proportional to 560,293.73, 773,241.88 and 318,598.79 is: 439,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,293.73 : 773,241.88 = 318,598.79 : x
  2. Step 2: Convert to fraction form
    560,293.73/773,241.88 = 318,598.79/x
  3. Step 3: Cross multiply
    560,293.73x = 773,241.88 × 318,598.79
  4. Step 4: Simplify right side
    560,293.73x = 246,353,923,479.12
  5. Step 5: Solve for x
    x = 246,353,923,479.12/560,293.73
  6. Step 6: Final answer
    x = 439,687.10

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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.