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Finding the Fourth Proportional to 565,752.58, 780,737.49 and 324,113.38

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Solution

The fourth proportional to 565,752.58, 780,737.49 and 324,113.38 is: 447,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,752.58 : 780,737.49 = 324,113.38 : x
  2. Step 2: Convert to fraction form
    565,752.58/780,737.49 = 324,113.38/x
  3. Step 3: Cross multiply
    565,752.58x = 780,737.49 × 324,113.38
  4. Step 4: Simplify right side
    565,752.58x = 253,047,466,776.62
  5. Step 5: Solve for x
    x = 253,047,466,776.62/565,752.58
  6. Step 6: Final answer
    x = 447,275.85

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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.