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Finding the Fourth Proportional to 537,128.55, 741,242.43 and 292,115.58

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Solution

The fourth proportional to 537,128.55, 741,242.43 and 292,115.58 is: 403,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,128.55 : 741,242.43 = 292,115.58 : x
  2. Step 2: Convert to fraction form
    537,128.55/741,242.43 = 292,115.58/x
  3. Step 3: Cross multiply
    537,128.55x = 741,242.43 × 292,115.58
  4. Step 4: Simplify right side
    537,128.55x = 216,528,462,360.06
  5. Step 5: Solve for x
    x = 216,528,462,360.06/537,128.55
  6. Step 6: Final answer
    x = 403,122.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.