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Finding the Fourth Proportional to 569,901.33, 786,386.81 and 324,917.70

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Solution

The fourth proportional to 569,901.33, 786,386.81 and 324,917.70 is: 448,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,901.33 : 786,386.81 = 324,917.70 : x
  2. Step 2: Convert to fraction form
    569,901.33/786,386.81 = 324,917.70/x
  3. Step 3: Cross multiply
    569,901.33x = 786,386.81 × 324,917.70
  4. Step 4: Simplify right side
    569,901.33x = 255,510,993,615.54
  5. Step 5: Solve for x
    x = 255,510,993,615.54/569,901.33
  6. Step 6: Final answer
    x = 448,342.51

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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.