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Finding the Fourth Proportional to 552,521.70, 828,296.55 and 374,451.30

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Solution

The fourth proportional to 552,521.70, 828,296.55 and 374,451.30 is: 561,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,521.70 : 828,296.55 = 374,451.30 : x
  2. Step 2: Convert to fraction form
    552,521.70/828,296.55 = 374,451.30/x
  3. Step 3: Cross multiply
    552,521.70x = 828,296.55 × 374,451.30
  4. Step 4: Simplify right side
    552,521.70x = 310,156,719,933.02
  5. Step 5: Solve for x
    x = 310,156,719,933.02/552,521.70
  6. Step 6: Final answer
    x = 561,347.58

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1.5x scale

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.