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Finding the Fourth Proportional to 524,382.36, 786,373.20 and 187,359.72

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Solution

The fourth proportional to 524,382.36, 786,373.20 and 187,359.72 is: 280,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,382.36 : 786,373.20 = 187,359.72 : x
  2. Step 2: Convert to fraction form
    524,382.36/786,373.20 = 187,359.72/x
  3. Step 3: Cross multiply
    524,382.36x = 786,373.20 × 187,359.72
  4. Step 4: Simplify right side
    524,382.36x = 147,334,662,567.50
  5. Step 5: Solve for x
    x = 147,334,662,567.50/524,382.36
  6. Step 6: Final answer
    x = 280,968.00

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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.