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Finding the Fourth Proportional to 970,791.03, 1,456,842.65 and 339,710.31

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Solution

The fourth proportional to 970,791.03, 1,456,842.65 and 339,710.31 is: 509,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,791.03 : 1,456,842.65 = 339,710.31 : x
  2. Step 2: Convert to fraction form
    970,791.03/1,456,842.65 = 339,710.31/x
  3. Step 3: Cross multiply
    970,791.03x = 1,456,842.65 × 339,710.31
  4. Step 4: Simplify right side
    970,791.03x = 494,904,468,252.72
  5. Step 5: Solve for x
    x = 494,904,468,252.72/970,791.03
  6. Step 6: Final answer
    x = 509,795.06

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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.