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Finding the Fourth Proportional to 703,303.86, 970,558.14 and 381,022.14

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Solution

The fourth proportional to 703,303.86, 970,558.14 and 381,022.14 is: 525,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,303.86 : 970,558.14 = 381,022.14 : x
  2. Step 2: Convert to fraction form
    703,303.86/970,558.14 = 381,022.14/x
  3. Step 3: Cross multiply
    703,303.86x = 970,558.14 × 381,022.14
  4. Step 4: Simplify right side
    703,303.86x = 369,804,139,497.22
  5. Step 5: Solve for x
    x = 369,804,139,497.22/703,303.86
  6. Step 6: Final answer
    x = 525,809.91

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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.