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Finding the Fourth Proportional to 593,870.30, 891,000.93 and 394,973.18

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Solution

The fourth proportional to 593,870.30, 891,000.93 and 394,973.18 is: 592,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,870.30 : 891,000.93 = 394,973.18 : x
  2. Step 2: Convert to fraction form
    593,870.30/891,000.93 = 394,973.18/x
  3. Step 3: Cross multiply
    593,870.30x = 891,000.93 × 394,973.18
  4. Step 4: Simplify right side
    593,870.30x = 351,921,470,705.06
  5. Step 5: Solve for x
    x = 351,921,470,705.06/593,870.30
  6. Step 6: Final answer
    x = 592,589.78

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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.