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Finding the Fourth Proportional to 565,796.76, 780,740.47 and 324,089.52

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Solution

The fourth proportional to 565,796.76, 780,740.47 and 324,089.52 is: 447,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,796.76 : 780,740.47 = 324,089.52 : x
  2. Step 2: Convert to fraction form
    565,796.76/780,740.47 = 324,089.52/x
  3. Step 3: Cross multiply
    565,796.76x = 780,740.47 × 324,089.52
  4. Step 4: Simplify right side
    565,796.76x = 253,029,804,166.87
  5. Step 5: Solve for x
    x = 253,029,804,166.87/565,796.76
  6. Step 6: Final answer
    x = 447,209.71

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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.