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Finding the Fourth Proportional to 496,191.52, 684,938.84 and 351,752.16

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Solution

The fourth proportional to 496,191.52, 684,938.84 and 351,752.16 is: 485,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,191.52 : 684,938.84 = 351,752.16 : x
  2. Step 2: Convert to fraction form
    496,191.52/684,938.84 = 351,752.16/x
  3. Step 3: Cross multiply
    496,191.52x = 684,938.84 × 351,752.16
  4. Step 4: Simplify right side
    496,191.52x = 240,928,716,437.89
  5. Step 5: Solve for x
    x = 240,928,716,437.89/496,191.52
  6. Step 6: Final answer
    x = 485,555.89

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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.