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Finding the Fourth Proportional to 544,043.10, 816,064.65 and 385,412.70

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Solution

The fourth proportional to 544,043.10, 816,064.65 and 385,412.70 is: 578,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,043.10 : 816,064.65 = 385,412.70 : x
  2. Step 2: Convert to fraction form
    544,043.10/816,064.65 = 385,412.70/x
  3. Step 3: Cross multiply
    544,043.10x = 816,064.65 × 385,412.70
  4. Step 4: Simplify right side
    544,043.10x = 314,521,680,131.06
  5. Step 5: Solve for x
    x = 314,521,680,131.06/544,043.10
  6. Step 6: Final answer
    x = 578,119.05

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Similar ratio
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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.