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Finding the Fourth Proportional to 292,896.72, 404,283.40 and 170,417.92

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Solution

The fourth proportional to 292,896.72, 404,283.40 and 170,417.92 is: 235,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,896.72 : 404,283.40 = 170,417.92 : x
  2. Step 2: Convert to fraction form
    292,896.72/404,283.40 = 170,417.92/x
  3. Step 3: Cross multiply
    292,896.72x = 404,283.40 × 170,417.92
  4. Step 4: Simplify right side
    292,896.72x = 68,897,136,118.53
  5. Step 5: Solve for x
    x = 68,897,136,118.53/292,896.72
  6. Step 6: Final answer
    x = 235,226.72

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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.