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Finding the Fourth Proportional to 430,578.72, 594,211.68 and 249,273.90

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Solution

The fourth proportional to 430,578.72, 594,211.68 and 249,273.90 is: 344,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,578.72 : 594,211.68 = 249,273.90 : x
  2. Step 2: Convert to fraction form
    430,578.72/594,211.68 = 249,273.90/x
  3. Step 3: Cross multiply
    430,578.72x = 594,211.68 × 249,273.90
  4. Step 4: Simplify right side
    430,578.72x = 148,121,462,899.15
  5. Step 5: Solve for x
    x = 148,121,462,899.15/430,578.72
  6. Step 6: Final answer
    x = 344,005.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.