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Finding the Fourth Proportional to 584,597.20, 875,146.20 and 521,611.60

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Solution

The fourth proportional to 584,597.20, 875,146.20 and 521,611.60 is: 780,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,597.20 : 875,146.20 = 521,611.60 : x
  2. Step 2: Convert to fraction form
    584,597.20/875,146.20 = 521,611.60/x
  3. Step 3: Cross multiply
    584,597.20x = 875,146.20 × 521,611.60
  4. Step 4: Simplify right side
    584,597.20x = 456,486,409,615.92
  5. Step 5: Solve for x
    x = 456,486,409,615.92/584,597.20
  6. Step 6: Final answer
    x = 780,856.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.