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Finding the Fourth Proportional to 531,001.40, 796,502.10 and 363,039.80

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Solution

The fourth proportional to 531,001.40, 796,502.10 and 363,039.80 is: 544,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,001.40 : 796,502.10 = 363,039.80 : x
  2. Step 2: Convert to fraction form
    531,001.40/796,502.10 = 363,039.80/x
  3. Step 3: Cross multiply
    531,001.40x = 796,502.10 × 363,039.80
  4. Step 4: Simplify right side
    531,001.40x = 289,161,963,083.58
  5. Step 5: Solve for x
    x = 289,161,963,083.58/531,001.40
  6. Step 6: Final answer
    x = 544,559.70

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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.