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Finding the Fourth Proportional to 384,065.40, 576,098.10 and 366,569.40

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Solution

The fourth proportional to 384,065.40, 576,098.10 and 366,569.40 is: 549,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,065.40 : 576,098.10 = 366,569.40 : x
  2. Step 2: Convert to fraction form
    384,065.40/576,098.10 = 366,569.40/x
  3. Step 3: Cross multiply
    384,065.40x = 576,098.10 × 366,569.40
  4. Step 4: Simplify right side
    384,065.40x = 211,179,934,858.14
  5. Step 5: Solve for x
    x = 211,179,934,858.14/384,065.40
  6. Step 6: Final answer
    x = 549,854.10

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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.