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Finding the Fourth Proportional to 551,779.05, 827,537.36 and 152,410.98

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Solution

The fourth proportional to 551,779.05, 827,537.36 and 152,410.98 is: 228,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,779.05 : 827,537.36 = 152,410.98 : x
  2. Step 2: Convert to fraction form
    551,779.05/827,537.36 = 152,410.98/x
  3. Step 3: Cross multiply
    551,779.05x = 827,537.36 × 152,410.98
  4. Step 4: Simplify right side
    551,779.05x = 126,125,780,024.21
  5. Step 5: Solve for x
    x = 126,125,780,024.21/551,779.05
  6. Step 6: Final answer
    x = 228,580.23

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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.