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Finding the Fourth Proportional to 560,023.60, 840,035.40 and 535,529.20

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Solution

The fourth proportional to 560,023.60, 840,035.40 and 535,529.20 is: 803,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,023.60 : 840,035.40 = 535,529.20 : x
  2. Step 2: Convert to fraction form
    560,023.60/840,035.40 = 535,529.20/x
  3. Step 3: Cross multiply
    560,023.60x = 840,035.40 × 535,529.20
  4. Step 4: Simplify right side
    560,023.60x = 449,863,485,733.68
  5. Step 5: Solve for x
    x = 449,863,485,733.68/560,023.60
  6. Step 6: Final answer
    x = 803,293.80

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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.