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Finding the Fourth Proportional to 576,303.30, 864,386.91 and 155,611.98

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Solution

The fourth proportional to 576,303.30, 864,386.91 and 155,611.98 is: 233,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,303.30 : 864,386.91 = 155,611.98 : x
  2. Step 2: Convert to fraction form
    576,303.30/864,386.91 = 155,611.98/x
  3. Step 3: Cross multiply
    576,303.30x = 864,386.91 × 155,611.98
  4. Step 4: Simplify right side
    576,303.30x = 134,508,958,551.18
  5. Step 5: Solve for x
    x = 134,508,958,551.18/576,303.30
  6. Step 6: Final answer
    x = 233,399.60

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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.