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Finding the Fourth Proportional to 552,004.10, 828,006.15 and 531,008.90

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Solution

The fourth proportional to 552,004.10, 828,006.15 and 531,008.90 is: 796,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,004.10 : 828,006.15 = 531,008.90 : x
  2. Step 2: Convert to fraction form
    552,004.10/828,006.15 = 531,008.90/x
  3. Step 3: Cross multiply
    552,004.10x = 828,006.15 × 531,008.90
  4. Step 4: Simplify right side
    552,004.10x = 439,678,634,904.74
  5. Step 5: Solve for x
    x = 439,678,634,904.74/552,004.10
  6. Step 6: Final answer
    x = 796,513.35

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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.