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Finding the Fourth Proportional to 586,593.73, 809,499.33 and 318,321.73

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Solution

The fourth proportional to 586,593.73, 809,499.33 and 318,321.73 is: 439,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,593.73 : 809,499.33 = 318,321.73 : x
  2. Step 2: Convert to fraction form
    586,593.73/809,499.33 = 318,321.73/x
  3. Step 3: Cross multiply
    586,593.73x = 809,499.33 × 318,321.73
  4. Step 4: Simplify right side
    586,593.73x = 257,681,227,159.44
  5. Step 5: Solve for x
    x = 257,681,227,159.44/586,593.73
  6. Step 6: Final answer
    x = 439,283.98

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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.