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Finding the Fourth Proportional to 516,345.30, 773,396.34 and 249,546.27

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Solution

The fourth proportional to 516,345.30, 773,396.34 and 249,546.27 is: 373,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,345.30 : 773,396.34 = 249,546.27 : x
  2. Step 2: Convert to fraction form
    516,345.30/773,396.34 = 249,546.27/x
  3. Step 3: Cross multiply
    516,345.30x = 773,396.34 × 249,546.27
  4. Step 4: Simplify right side
    516,345.30x = 192,998,171,878.65
  5. Step 5: Solve for x
    x = 192,998,171,878.65/516,345.30
  6. Step 6: Final answer
    x = 373,777.34

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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.