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Finding the Fourth Proportional to 404,521.30, 607,000.65 and 179,916.40

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Solution

The fourth proportional to 404,521.30, 607,000.65 and 179,916.40 is: 269,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,521.30 : 607,000.65 = 179,916.40 : x
  2. Step 2: Convert to fraction form
    404,521.30/607,000.65 = 179,916.40/x
  3. Step 3: Cross multiply
    404,521.30x = 607,000.65 × 179,916.40
  4. Step 4: Simplify right side
    404,521.30x = 109,209,371,745.66
  5. Step 5: Solve for x
    x = 109,209,371,745.66/404,521.30
  6. Step 6: Final answer
    x = 269,971.87

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1.5x scale

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.