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Finding the Fourth Proportional to 706,566.72, 975,052.56 and 384,269.88

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Solution

The fourth proportional to 706,566.72, 975,052.56 and 384,269.88 is: 530,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,566.72 : 975,052.56 = 384,269.88 : x
  2. Step 2: Convert to fraction form
    706,566.72/975,052.56 = 384,269.88/x
  3. Step 3: Cross multiply
    706,566.72x = 975,052.56 × 384,269.88
  4. Step 4: Simplify right side
    706,566.72x = 374,683,330,224.89
  5. Step 5: Solve for x
    x = 374,683,330,224.89/706,566.72
  6. Step 6: Final answer
    x = 530,287.26

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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.