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Finding the Fourth Proportional to 551,615.47, 827,361.24 and 152,313.01

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Solution

The fourth proportional to 551,615.47, 827,361.24 and 152,313.01 is: 228,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,615.47 : 827,361.24 = 152,313.01 : x
  2. Step 2: Convert to fraction form
    551,615.47/827,361.24 = 152,313.01/x
  3. Step 3: Cross multiply
    551,615.47x = 827,361.24 × 152,313.01
  4. Step 4: Simplify right side
    551,615.47x = 126,017,878,182.16
  5. Step 5: Solve for x
    x = 126,017,878,182.16/551,615.47
  6. Step 6: Final answer
    x = 228,452.40

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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.