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Finding the Fourth Proportional to 576,036.30, 864,054.45 and 543,377.10

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Solution

The fourth proportional to 576,036.30, 864,054.45 and 543,377.10 is: 815,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,036.30 : 864,054.45 = 543,377.10 : x
  2. Step 2: Convert to fraction form
    576,036.30/864,054.45 = 543,377.10/x
  3. Step 3: Cross multiply
    576,036.30x = 864,054.45 × 543,377.10
  4. Step 4: Simplify right side
    576,036.30x = 469,507,401,283.10
  5. Step 5: Solve for x
    x = 469,507,401,283.10/576,036.30
  6. Step 6: Final answer
    x = 815,065.65

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Double scale
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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.