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Finding the Fourth Proportional to 545,052.88, 751,748.52 and 464,746.96

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Solution

The fourth proportional to 545,052.88, 751,748.52 and 464,746.96 is: 640,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,052.88 : 751,748.52 = 464,746.96 : x
  2. Step 2: Convert to fraction form
    545,052.88/751,748.52 = 464,746.96/x
  3. Step 3: Cross multiply
    545,052.88x = 751,748.52 × 464,746.96
  4. Step 4: Simplify right side
    545,052.88x = 349,372,839,354.50
  5. Step 5: Solve for x
    x = 349,372,839,354.50/545,052.88
  6. Step 6: Final answer
    x = 640,988.89

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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.