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Finding the Fourth Proportional to 630,151.40, 944,363.10 and 404,820.20

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Solution

The fourth proportional to 630,151.40, 944,363.10 and 404,820.20 is: 606,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,151.40 : 944,363.10 = 404,820.20 : x
  2. Step 2: Convert to fraction form
    630,151.40/944,363.10 = 404,820.20/x
  3. Step 3: Cross multiply
    630,151.40x = 944,363.10 × 404,820.20
  4. Step 4: Simplify right side
    630,151.40x = 382,297,259,014.62
  5. Step 5: Solve for x
    x = 382,297,259,014.62/630,151.40
  6. Step 6: Final answer
    x = 606,675.25

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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.