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Finding the Fourth Proportional to 593,726.80, 890,698.20 and 194,256.40

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Solution

The fourth proportional to 593,726.80, 890,698.20 and 194,256.40 is: 291,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,726.80 : 890,698.20 = 194,256.40 : x
  2. Step 2: Convert to fraction form
    593,726.80/890,698.20 = 194,256.40/x
  3. Step 3: Cross multiply
    593,726.80x = 890,698.20 × 194,256.40
  4. Step 4: Simplify right side
    593,726.80x = 173,023,825,818.48
  5. Step 5: Solve for x
    x = 173,023,825,818.48/593,726.80
  6. Step 6: Final answer
    x = 291,419.94

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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.