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Finding the Fourth Proportional to 653,038.89, 901,167.61 and 362,665.43

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Solution

The fourth proportional to 653,038.89, 901,167.61 and 362,665.43 is: 500,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,038.89 : 901,167.61 = 362,665.43 : x
  2. Step 2: Convert to fraction form
    653,038.89/901,167.61 = 362,665.43/x
  3. Step 3: Cross multiply
    653,038.89x = 901,167.61 × 362,665.43
  4. Step 4: Simplify right side
    653,038.89x = 326,822,338,782.72
  5. Step 5: Solve for x
    x = 326,822,338,782.72/653,038.89
  6. Step 6: Final answer
    x = 500,463.82

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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.