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Finding the Fourth Proportional to 552,493.70, 828,740.55 and 528,874.10

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Solution

The fourth proportional to 552,493.70, 828,740.55 and 528,874.10 is: 793,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,493.70 : 828,740.55 = 528,874.10 : x
  2. Step 2: Convert to fraction form
    552,493.70/828,740.55 = 528,874.10/x
  3. Step 3: Cross multiply
    552,493.70x = 828,740.55 × 528,874.10
  4. Step 4: Simplify right side
    552,493.70x = 438,299,412,514.76
  5. Step 5: Solve for x
    x = 438,299,412,514.76/552,493.70
  6. Step 6: Final answer
    x = 793,311.15

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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.