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Finding the Fourth Proportional to 483,365.10, 725,047.65 and 306,072.30

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Solution

The fourth proportional to 483,365.10, 725,047.65 and 306,072.30 is: 459,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,365.10 : 725,047.65 = 306,072.30 : x
  2. Step 2: Convert to fraction form
    483,365.10/725,047.65 = 306,072.30/x
  3. Step 3: Cross multiply
    483,365.10x = 725,047.65 × 306,072.30
  4. Step 4: Simplify right side
    483,365.10x = 221,917,001,845.10
  5. Step 5: Solve for x
    x = 221,917,001,845.10/483,365.10
  6. Step 6: Final answer
    x = 459,108.45

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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.