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Finding the Fourth Proportional to 593,978.40, 890,967.60 and 540,064.80

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Solution

The fourth proportional to 593,978.40, 890,967.60 and 540,064.80 is: 810,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,978.40 : 890,967.60 = 540,064.80 : x
  2. Step 2: Convert to fraction form
    593,978.40/890,967.60 = 540,064.80/x
  3. Step 3: Cross multiply
    593,978.40x = 890,967.60 × 540,064.80
  4. Step 4: Simplify right side
    593,978.40x = 481,180,238,700.48
  5. Step 5: Solve for x
    x = 481,180,238,700.48/593,978.40
  6. Step 6: Final answer
    x = 810,097.20

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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.