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Finding the Fourth Proportional to 545,051.76, 751,527.90 and 373,052.58

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Solution

The fourth proportional to 545,051.76, 751,527.90 and 373,052.58 is: 514,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,051.76 : 751,527.90 = 373,052.58 : x
  2. Step 2: Convert to fraction form
    545,051.76/751,527.90 = 373,052.58/x
  3. Step 3: Cross multiply
    545,051.76x = 751,527.90 × 373,052.58
  4. Step 4: Simplify right side
    545,051.76x = 280,359,422,036.98
  5. Step 5: Solve for x
    x = 280,359,422,036.98/545,051.76
  6. Step 6: Final answer
    x = 514,372.11

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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.