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Finding the Fourth Proportional to 428,052, 590,710.50 and 246,762.93

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Solution

The fourth proportional to 428,052, 590,710.50 and 246,762.93 is: 340,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,052 : 590,710.50 = 246,762.93 : x
  2. Step 2: Convert to fraction form
    428,052/590,710.50 = 246,762.93/x
  3. Step 3: Cross multiply
    428,052x = 590,710.50 × 246,762.93
  4. Step 4: Simplify right side
    428,052x = 145,765,453,761.77
  5. Step 5: Solve for x
    x = 145,765,453,761.77/428,052
  6. Step 6: Final answer
    x = 340,532.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.