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Finding the Fourth Proportional to 294,805.84, 406,833.60 and 167,488.72

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Solution

The fourth proportional to 294,805.84, 406,833.60 and 167,488.72 is: 231,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,805.84 : 406,833.60 = 167,488.72 : x
  2. Step 2: Convert to fraction form
    294,805.84/406,833.60 = 167,488.72/x
  3. Step 3: Cross multiply
    294,805.84x = 406,833.60 × 167,488.72
  4. Step 4: Simplify right side
    294,805.84x = 68,140,038,916.99
  5. Step 5: Solve for x
    x = 68,140,038,916.99/294,805.84
  6. Step 6: Final answer
    x = 231,135.31

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1.5x scale

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.