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Finding the Fourth Proportional to 338,366.21, 507,549.70 and 101,708.89

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Solution

The fourth proportional to 338,366.21, 507,549.70 and 101,708.89 is: 152,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,366.21 : 507,549.70 = 101,708.89 : x
  2. Step 2: Convert to fraction form
    338,366.21/507,549.70 = 101,708.89/x
  3. Step 3: Cross multiply
    338,366.21x = 507,549.70 × 101,708.89
  4. Step 4: Simplify right side
    338,366.21x = 51,622,315,083.69
  5. Step 5: Solve for x
    x = 51,622,315,083.69/338,366.21
  6. Step 6: Final answer
    x = 152,563.45

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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.