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Finding the Fourth Proportional to 404,368.61, 606,925.31 and 204,827.94

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Solution

The fourth proportional to 404,368.61, 606,925.31 and 204,827.94 is: 307,430.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,368.61 : 606,925.31 = 204,827.94 : x
  2. Step 2: Convert to fraction form
    404,368.61/606,925.31 = 204,827.94/x
  3. Step 3: Cross multiply
    404,368.61x = 606,925.31 × 204,827.94
  4. Step 4: Simplify right side
    404,368.61x = 124,315,259,957.02
  5. Step 5: Solve for x
    x = 124,315,259,957.02/404,368.61
  6. Step 6: Final answer
    x = 307,430.54

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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.