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Finding the Fourth Proportional to 605,228.40, 907,623.90 and 245,248.20

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Solution

The fourth proportional to 605,228.40, 907,623.90 and 245,248.20 is: 367,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,228.40 : 907,623.90 = 245,248.20 : x
  2. Step 2: Convert to fraction form
    605,228.40/907,623.90 = 245,248.20/x
  3. Step 3: Cross multiply
    605,228.40x = 907,623.90 × 245,248.20
  4. Step 4: Simplify right side
    605,228.40x = 222,593,127,751.98
  5. Step 5: Solve for x
    x = 222,593,127,751.98/605,228.40
  6. Step 6: Final answer
    x = 367,783.68

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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.