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Finding the Fourth Proportional to 703,011.69, 970,151.29 and 380,714.41

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Solution

The fourth proportional to 703,011.69, 970,151.29 and 380,714.41 is: 525,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,011.69 : 970,151.29 = 380,714.41 : x
  2. Step 2: Convert to fraction form
    703,011.69/970,151.29 = 380,714.41/x
  3. Step 3: Cross multiply
    703,011.69x = 970,151.29 × 380,714.41
  4. Step 4: Simplify right side
    703,011.69x = 369,350,575,983.09
  5. Step 5: Solve for x
    x = 369,350,575,983.09/703,011.69
  6. Step 6: Final answer
    x = 525,383.26

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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.