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Finding the Fourth Proportional to 541,554.46, 812,443.77 and 162,459.88

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Solution

The fourth proportional to 541,554.46, 812,443.77 and 162,459.88 is: 243,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,554.46 : 812,443.77 = 162,459.88 : x
  2. Step 2: Convert to fraction form
    541,554.46/812,443.77 = 162,459.88/x
  3. Step 3: Cross multiply
    541,554.46x = 812,443.77 × 162,459.88
  4. Step 4: Simplify right side
    541,554.46x = 131,989,515,349.84
  5. Step 5: Solve for x
    x = 131,989,515,349.84/541,554.46
  6. Step 6: Final answer
    x = 243,723.44

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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.