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Finding the Fourth Proportional to 430,366.50, 593,905.77 and 251,518.50

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Solution

The fourth proportional to 430,366.50, 593,905.77 and 251,518.50 is: 347,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,366.50 : 593,905.77 = 251,518.50 : x
  2. Step 2: Convert to fraction form
    430,366.50/593,905.77 = 251,518.50/x
  3. Step 3: Cross multiply
    430,366.50x = 593,905.77 × 251,518.50
  4. Step 4: Simplify right side
    430,366.50x = 149,378,288,411.75
  5. Step 5: Solve for x
    x = 149,378,288,411.75/430,366.50
  6. Step 6: Final answer
    x = 347,095.53

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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.