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Finding the Fourth Proportional to 301,040.61, 415,449.18 and 180,158.91

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Solution

The fourth proportional to 301,040.61, 415,449.18 and 180,158.91 is: 248,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,040.61 : 415,449.18 = 180,158.91 : x
  2. Step 2: Convert to fraction form
    301,040.61/415,449.18 = 180,158.91/x
  3. Step 3: Cross multiply
    301,040.61x = 415,449.18 × 180,158.91
  4. Step 4: Simplify right side
    301,040.61x = 74,846,871,429.19
  5. Step 5: Solve for x
    x = 74,846,871,429.19/301,040.61
  6. Step 6: Final answer
    x = 248,627.16

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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.