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Finding the Fourth Proportional to 595,289.05, 821,513.70 and 323,356.86

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Solution

The fourth proportional to 595,289.05, 821,513.70 and 323,356.86 is: 446,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,289.05 : 821,513.70 = 323,356.86 : x
  2. Step 2: Convert to fraction form
    595,289.05/821,513.70 = 323,356.86/x
  3. Step 3: Cross multiply
    595,289.05x = 821,513.70 × 323,356.86
  4. Step 4: Simplify right side
    595,289.05x = 265,642,090,478.98
  5. Step 5: Solve for x
    x = 265,642,090,478.98/595,289.05
  6. Step 6: Final answer
    x = 446,240.51

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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.