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Finding the Fourth Proportional to 460,112.50, 634,969.38 and 250,574.50

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Solution

The fourth proportional to 460,112.50, 634,969.38 and 250,574.50 is: 345,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,112.50 : 634,969.38 = 250,574.50 : x
  2. Step 2: Convert to fraction form
    460,112.50/634,969.38 = 250,574.50/x
  3. Step 3: Cross multiply
    460,112.50x = 634,969.38 × 250,574.50
  4. Step 4: Simplify right side
    460,112.50x = 159,107,134,908.81
  5. Step 5: Solve for x
    x = 159,107,134,908.81/460,112.50
  6. Step 6: Final answer
    x = 345,800.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.