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Finding the Fourth Proportional to 531,457.49, 797,184.07 and 132,090.77

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Solution

The fourth proportional to 531,457.49, 797,184.07 and 132,090.77 is: 198,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,457.49 : 797,184.07 = 132,090.77 : x
  2. Step 2: Convert to fraction form
    531,457.49/797,184.07 = 132,090.77/x
  3. Step 3: Cross multiply
    531,457.49x = 797,184.07 × 132,090.77
  4. Step 4: Simplify right side
    531,457.49x = 105,300,657,638.03
  5. Step 5: Solve for x
    x = 105,300,657,638.03/531,457.49
  6. Step 6: Final answer
    x = 198,135.62

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Similar ratio
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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.