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Finding the Fourth Proportional to 573,597.45, 859,621.14 and 218,417.76

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Solution

The fourth proportional to 573,597.45, 859,621.14 and 218,417.76 is: 327,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,597.45 : 859,621.14 = 218,417.76 : x
  2. Step 2: Convert to fraction form
    573,597.45/859,621.14 = 218,417.76/x
  3. Step 3: Cross multiply
    573,597.45x = 859,621.14 × 218,417.76
  4. Step 4: Simplify right side
    573,597.45x = 187,756,523,847.45
  5. Step 5: Solve for x
    x = 187,756,523,847.45/573,597.45
  6. Step 6: Final answer
    x = 327,331.52

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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.