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Finding the Fourth Proportional to 576,157.60, 795,142.76 and 318,085.84

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Solution

The fourth proportional to 576,157.60, 795,142.76 and 318,085.84 is: 438,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,157.60 : 795,142.76 = 318,085.84 : x
  2. Step 2: Convert to fraction form
    576,157.60/795,142.76 = 318,085.84/x
  3. Step 3: Cross multiply
    576,157.60x = 795,142.76 × 318,085.84
  4. Step 4: Simplify right side
    576,157.60x = 252,923,652,734.52
  5. Step 5: Solve for x
    x = 252,923,652,734.52/576,157.60
  6. Step 6: Final answer
    x = 438,983.45

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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.