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Finding the Fourth Proportional to 565,856.82, 780,816.95 and 324,124.98

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Solution

The fourth proportional to 565,856.82, 780,816.95 and 324,124.98 is: 447,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,856.82 : 780,816.95 = 324,124.98 : x
  2. Step 2: Convert to fraction form
    565,856.82/780,816.95 = 324,124.98/x
  3. Step 3: Cross multiply
    565,856.82x = 780,816.95 × 324,124.98
  4. Step 4: Simplify right side
    565,856.82x = 253,082,274,969.19
  5. Step 5: Solve for x
    x = 253,082,274,969.19/565,856.82
  6. Step 6: Final answer
    x = 447,254.97

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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.