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Finding the Fourth Proportional to 703,588.70, 970,953.23 and 381,298.77

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Solution

The fourth proportional to 703,588.70, 970,953.23 and 381,298.77 is: 526,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,588.70 : 970,953.23 = 381,298.77 : x
  2. Step 2: Convert to fraction form
    703,588.70/970,953.23 = 381,298.77/x
  3. Step 3: Cross multiply
    703,588.70x = 970,953.23 × 381,298.77
  4. Step 4: Simplify right side
    703,588.70x = 370,223,270,420.03
  5. Step 5: Solve for x
    x = 370,223,270,420.03/703,588.70
  6. Step 6: Final answer
    x = 526,192.75

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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.