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Finding the Fourth Proportional to 623,952.20, 936,101.10 and 414,000.20

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Solution

The fourth proportional to 623,952.20, 936,101.10 and 414,000.20 is: 621,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,952.20 : 936,101.10 = 414,000.20 : x
  2. Step 2: Convert to fraction form
    623,952.20/936,101.10 = 414,000.20/x
  3. Step 3: Cross multiply
    623,952.20x = 936,101.10 × 414,000.20
  4. Step 4: Simplify right side
    623,952.20x = 387,546,042,620.22
  5. Step 5: Solve for x
    x = 387,546,042,620.22/623,952.20
  6. Step 6: Final answer
    x = 621,114.95

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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.