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Finding the Fourth Proportional to 702,936.52, 970,050.65 and 380,646.62

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Solution

The fourth proportional to 702,936.52, 970,050.65 and 380,646.62 is: 525,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,936.52 : 970,050.65 = 380,646.62 : x
  2. Step 2: Convert to fraction form
    702,936.52/970,050.65 = 380,646.62/x
  3. Step 3: Cross multiply
    702,936.52x = 970,050.65 × 380,646.62
  4. Step 4: Simplify right side
    702,936.52x = 369,246,501,151.30
  5. Step 5: Solve for x
    x = 369,246,501,151.30/702,936.52
  6. Step 6: Final answer
    x = 525,291.39

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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.