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Finding the Fourth Proportional to 576,065.80, 864,098.70 and 376,611.40

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Solution

The fourth proportional to 576,065.80, 864,098.70 and 376,611.40 is: 564,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,065.80 : 864,098.70 = 376,611.40 : x
  2. Step 2: Convert to fraction form
    576,065.80/864,098.70 = 376,611.40/x
  3. Step 3: Cross multiply
    576,065.80x = 864,098.70 × 376,611.40
  4. Step 4: Simplify right side
    576,065.80x = 325,429,421,145.18
  5. Step 5: Solve for x
    x = 325,429,421,145.18/576,065.80
  6. Step 6: Final answer
    x = 564,917.10

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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.