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Finding the Fourth Proportional to 431,605.12, 595,870.52 and 383,726

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Solution

The fourth proportional to 431,605.12, 595,870.52 and 383,726 is: 529,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,605.12 : 595,870.52 = 383,726 : x
  2. Step 2: Convert to fraction form
    431,605.12/595,870.52 = 383,726/x
  3. Step 3: Cross multiply
    431,605.12x = 595,870.52 × 383,726
  4. Step 4: Simplify right side
    431,605.12x = 228,651,011,157.52
  5. Step 5: Solve for x
    x = 228,651,011,157.52/431,605.12
  6. Step 6: Final answer
    x = 529,769.00

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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.