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Finding the Fourth Proportional to 574,155.46, 791,513.22 and 403,861.06

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Solution

The fourth proportional to 574,155.46, 791,513.22 and 403,861.06 is: 556,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,155.46 : 791,513.22 = 403,861.06 : x
  2. Step 2: Convert to fraction form
    574,155.46/791,513.22 = 403,861.06/x
  3. Step 3: Cross multiply
    574,155.46x = 791,513.22 × 403,861.06
  4. Step 4: Simplify right side
    574,155.46x = 319,661,368,033.21
  5. Step 5: Solve for x
    x = 319,661,368,033.21/574,155.46
  6. Step 6: Final answer
    x = 556,750.55

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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.