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Finding the Fourth Proportional to 531,990.80, 797,845.80 and 265,554.80

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Solution

The fourth proportional to 531,990.80, 797,845.80 and 265,554.80 is: 398,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,990.80 : 797,845.80 = 265,554.80 : x
  2. Step 2: Convert to fraction form
    531,990.80/797,845.80 = 265,554.80/x
  3. Step 3: Cross multiply
    531,990.80x = 797,845.80 × 265,554.80
  4. Step 4: Simplify right side
    531,990.80x = 211,871,781,849.84
  5. Step 5: Solve for x
    x = 211,871,781,849.84/531,990.80
  6. Step 6: Final answer
    x = 398,262.12

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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.