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Finding the Fourth Proportional to 424,553.94, 585,925.85 and 316,937.07

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Solution

The fourth proportional to 424,553.94, 585,925.85 and 316,937.07 is: 437,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,553.94 : 585,925.85 = 316,937.07 : x
  2. Step 2: Convert to fraction form
    424,553.94/585,925.85 = 316,937.07/x
  3. Step 3: Cross multiply
    424,553.94x = 585,925.85 × 316,937.07
  4. Step 4: Simplify right side
    424,553.94x = 185,701,622,928.60
  5. Step 5: Solve for x
    x = 185,701,622,928.60/424,553.94
  6. Step 6: Final answer
    x = 437,404.07

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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.