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Finding the Fourth Proportional to 552,783.90, 827,207.55 and 383,510.10

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Solution

The fourth proportional to 552,783.90, 827,207.55 and 383,510.10 is: 573,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,783.90 : 827,207.55 = 383,510.10 : x
  2. Step 2: Convert to fraction form
    552,783.90/827,207.55 = 383,510.10/x
  3. Step 3: Cross multiply
    552,783.90x = 827,207.55 × 383,510.10
  4. Step 4: Simplify right side
    552,783.90x = 317,242,450,221.26
  5. Step 5: Solve for x
    x = 317,242,450,221.26/552,783.90
  6. Step 6: Final answer
    x = 573,899.58

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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.