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Finding the Fourth Proportional to 292,865.16, 404,151.21 and 163,802.07

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Solution

The fourth proportional to 292,865.16, 404,151.21 and 163,802.07 is: 226,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,865.16 : 404,151.21 = 163,802.07 : x
  2. Step 2: Convert to fraction form
    292,865.16/404,151.21 = 163,802.07/x
  3. Step 3: Cross multiply
    292,865.16x = 404,151.21 × 163,802.07
  4. Step 4: Simplify right side
    292,865.16x = 66,200,804,791.00
  5. Step 5: Solve for x
    x = 66,200,804,791.00/292,865.16
  6. Step 6: Final answer
    x = 226,045.34

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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.