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Finding the Fourth Proportional to 500,867.46, 749,505.33 and 433,630.77

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Solution

The fourth proportional to 500,867.46, 749,505.33 and 433,630.77 is: 648,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,867.46 : 749,505.33 = 433,630.77 : x
  2. Step 2: Convert to fraction form
    500,867.46/749,505.33 = 433,630.77/x
  3. Step 3: Cross multiply
    500,867.46x = 749,505.33 × 433,630.77
  4. Step 4: Simplify right side
    500,867.46x = 325,008,574,451.08
  5. Step 5: Solve for x
    x = 325,008,574,451.08/500,867.46
  6. Step 6: Final answer
    x = 648,891.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.