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Finding the Fourth Proportional to 524,757.80, 788,886.30 and 447,775.40

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Solution

The fourth proportional to 524,757.80, 788,886.30 and 447,775.40 is: 673,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,757.80 : 788,886.30 = 447,775.40 : x
  2. Step 2: Convert to fraction form
    524,757.80/788,886.30 = 447,775.40/x
  3. Step 3: Cross multiply
    524,757.80x = 788,886.30 × 447,775.40
  4. Step 4: Simplify right side
    524,757.80x = 353,243,878,537.02
  5. Step 5: Solve for x
    x = 353,243,878,537.02/524,757.80
  6. Step 6: Final answer
    x = 673,156.03

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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.