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Finding the Fourth Proportional to 593,411.76, 889,908.12 and 256,438.80

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Solution

The fourth proportional to 593,411.76, 889,908.12 and 256,438.80 is: 384,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,411.76 : 889,908.12 = 256,438.80 : x
  2. Step 2: Convert to fraction form
    593,411.76/889,908.12 = 256,438.80/x
  3. Step 3: Cross multiply
    593,411.76x = 889,908.12 × 256,438.80
  4. Step 4: Simplify right side
    593,411.76x = 228,206,970,403.06
  5. Step 5: Solve for x
    x = 228,206,970,403.06/593,411.76
  6. Step 6: Final answer
    x = 384,567.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.