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Finding the Fourth Proportional to 552,428.60, 828,642.90 and 463,782.20

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Solution

The fourth proportional to 552,428.60, 828,642.90 and 463,782.20 is: 695,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,428.60 : 828,642.90 = 463,782.20 : x
  2. Step 2: Convert to fraction form
    552,428.60/828,642.90 = 463,782.20/x
  3. Step 3: Cross multiply
    552,428.60x = 828,642.90 × 463,782.20
  4. Step 4: Simplify right side
    552,428.60x = 384,309,827,176.38
  5. Step 5: Solve for x
    x = 384,309,827,176.38/552,428.60
  6. Step 6: Final answer
    x = 695,673.30

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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.