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Finding the Fourth Proportional to 657,571.37, 986,641.21 and 353,610.24

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Solution

The fourth proportional to 657,571.37, 986,641.21 and 353,610.24 is: 530,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,571.37 : 986,641.21 = 353,610.24 : x
  2. Step 2: Convert to fraction form
    657,571.37/986,641.21 = 353,610.24/x
  3. Step 3: Cross multiply
    657,571.37x = 986,641.21 × 353,610.24
  4. Step 4: Simplify right side
    657,571.37x = 348,886,435,364.90
  5. Step 5: Solve for x
    x = 348,886,435,364.90/657,571.37
  6. Step 6: Final answer
    x = 530,568.17

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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.