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Finding the Fourth Proportional to 593,790.60, 890,685.90 and 520,062.60

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Solution

The fourth proportional to 593,790.60, 890,685.90 and 520,062.60 is: 780,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,790.60 : 890,685.90 = 520,062.60 : x
  2. Step 2: Convert to fraction form
    593,790.60/890,685.90 = 520,062.60/x
  3. Step 3: Cross multiply
    593,790.60x = 890,685.90 × 520,062.60
  4. Step 4: Simplify right side
    593,790.60x = 463,212,424,937.34
  5. Step 5: Solve for x
    x = 463,212,424,937.34/593,790.60
  6. Step 6: Final answer
    x = 780,093.90

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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.