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Finding the Fourth Proportional to 404,622.60, 607,625.10 and 265,000.20

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Solution

The fourth proportional to 404,622.60, 607,625.10 and 265,000.20 is: 397,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,622.60 : 607,625.10 = 265,000.20 : x
  2. Step 2: Convert to fraction form
    404,622.60/607,625.10 = 265,000.20/x
  3. Step 3: Cross multiply
    404,622.60x = 607,625.10 × 265,000.20
  4. Step 4: Simplify right side
    404,622.60x = 161,020,773,025.02
  5. Step 5: Solve for x
    x = 161,020,773,025.02/404,622.60
  6. Step 6: Final answer
    x = 397,952.99

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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.