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Finding the Fourth Proportional to 552,526.47, 828,789.71 and 365,494.23

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Solution

The fourth proportional to 552,526.47, 828,789.71 and 365,494.23 is: 548,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,526.47 : 828,789.71 = 365,494.23 : x
  2. Step 2: Convert to fraction form
    552,526.47/828,789.71 = 365,494.23/x
  3. Step 3: Cross multiply
    552,526.47x = 828,789.71 × 365,494.23
  4. Step 4: Simplify right side
    552,526.47x = 302,917,855,060.90
  5. Step 5: Solve for x
    x = 302,917,855,060.90/552,526.47
  6. Step 6: Final answer
    x = 548,241.35

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Double scale
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Similar ratio
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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.