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Finding the Fourth Proportional to 593,838.40, 890,757.60 and 520,110.40

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Solution

The fourth proportional to 593,838.40, 890,757.60 and 520,110.40 is: 780,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,838.40 : 890,757.60 = 520,110.40 : x
  2. Step 2: Convert to fraction form
    593,838.40/890,757.60 = 520,110.40/x
  3. Step 3: Cross multiply
    593,838.40x = 890,757.60 × 520,110.40
  4. Step 4: Simplify right side
    593,838.40x = 463,292,291,639.04
  5. Step 5: Solve for x
    x = 463,292,291,639.04/593,838.40
  6. Step 6: Final answer
    x = 780,165.60

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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.