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Finding the Fourth Proportional to 404,335.51, 557,810.89 and 296,718.55

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Solution

The fourth proportional to 404,335.51, 557,810.89 and 296,718.55 is: 409,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,335.51 : 557,810.89 = 296,718.55 : x
  2. Step 2: Convert to fraction form
    404,335.51/557,810.89 = 296,718.55/x
  3. Step 3: Cross multiply
    404,335.51x = 557,810.89 × 296,718.55
  4. Step 4: Simplify right side
    404,335.51x = 165,512,838,455.01
  5. Step 5: Solve for x
    x = 165,512,838,455.01/404,335.51
  6. Step 6: Final answer
    x = 409,345.29

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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.