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Finding the Fourth Proportional to 648,580.37, 894,783.51 and 433,379.57

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Solution

The fourth proportional to 648,580.37, 894,783.51 and 433,379.57 is: 597,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,580.37 : 894,783.51 = 433,379.57 : x
  2. Step 2: Convert to fraction form
    648,580.37/894,783.51 = 433,379.57/x
  3. Step 3: Cross multiply
    648,580.37x = 894,783.51 × 433,379.57
  4. Step 4: Simplify right side
    648,580.37x = 387,780,888,332.97
  5. Step 5: Solve for x
    x = 387,780,888,332.97/648,580.37
  6. Step 6: Final answer
    x = 597,891.81

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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.