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Finding the Fourth Proportional to 468,163.86, 646,066.11 and 253,303.92

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Solution

The fourth proportional to 468,163.86, 646,066.11 and 253,303.92 is: 349,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,163.86 : 646,066.11 = 253,303.92 : x
  2. Step 2: Convert to fraction form
    468,163.86/646,066.11 = 253,303.92/x
  3. Step 3: Cross multiply
    468,163.86x = 646,066.11 × 253,303.92
  4. Step 4: Simplify right side
    468,163.86x = 163,651,078,242.15
  5. Step 5: Solve for x
    x = 163,651,078,242.15/468,163.86
  6. Step 6: Final answer
    x = 349,559.40

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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.