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Finding the Fourth Proportional to 531,965.80, 797,808.30 and 265,529.80

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Solution

The fourth proportional to 531,965.80, 797,808.30 and 265,529.80 is: 398,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,965.80 : 797,808.30 = 265,529.80 : x
  2. Step 2: Convert to fraction form
    531,965.80/797,808.30 = 265,529.80/x
  3. Step 3: Cross multiply
    531,965.80x = 797,808.30 × 265,529.80
  4. Step 4: Simplify right side
    531,965.80x = 211,841,878,337.34
  5. Step 5: Solve for x
    x = 211,841,878,337.34/531,965.80
  6. Step 6: Final answer
    x = 398,224.62

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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.