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Finding the Fourth Proportional to 544,905.20, 816,580.20 and 401,632.40

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Solution

The fourth proportional to 544,905.20, 816,580.20 and 401,632.40 is: 601,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,905.20 : 816,580.20 = 401,632.40 : x
  2. Step 2: Convert to fraction form
    544,905.20/816,580.20 = 401,632.40/x
  3. Step 3: Cross multiply
    544,905.20x = 816,580.20 × 401,632.40
  4. Step 4: Simplify right side
    544,905.20x = 327,965,065,518.48
  5. Step 5: Solve for x
    x = 327,965,065,518.48/544,905.20
  6. Step 6: Final answer
    x = 601,875.46

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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.