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Finding the Fourth Proportional to 544,061.10, 816,091.65 and 385,430.70

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Solution

The fourth proportional to 544,061.10, 816,091.65 and 385,430.70 is: 578,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,061.10 : 816,091.65 = 385,430.70 : x
  2. Step 2: Convert to fraction form
    544,061.10/816,091.65 = 385,430.70/x
  3. Step 3: Cross multiply
    544,061.10x = 816,091.65 × 385,430.70
  4. Step 4: Simplify right side
    544,061.10x = 314,546,775,923.66
  5. Step 5: Solve for x
    x = 314,546,775,923.66/544,061.10
  6. Step 6: Final answer
    x = 578,146.05

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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.