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Finding the Fourth Proportional to 575,141.10, 862,711.65 and 362,564.70

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Solution

The fourth proportional to 575,141.10, 862,711.65 and 362,564.70 is: 543,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,141.10 : 862,711.65 = 362,564.70 : x
  2. Step 2: Convert to fraction form
    575,141.10/862,711.65 = 362,564.70/x
  3. Step 3: Cross multiply
    575,141.10x = 862,711.65 × 362,564.70
  4. Step 4: Simplify right side
    575,141.10x = 312,788,790,568.76
  5. Step 5: Solve for x
    x = 312,788,790,568.76/575,141.10
  6. Step 6: Final answer
    x = 543,847.05

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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.