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Finding the Fourth Proportional to 713,813.57, 985,060.10 and 441,827.31

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Solution

The fourth proportional to 713,813.57, 985,060.10 and 441,827.31 is: 609,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,813.57 : 985,060.10 = 441,827.31 : x
  2. Step 2: Convert to fraction form
    713,813.57/985,060.10 = 441,827.31/x
  3. Step 3: Cross multiply
    713,813.57x = 985,060.10 × 441,827.31
  4. Step 4: Simplify right side
    713,813.57x = 435,226,454,171.33
  5. Step 5: Solve for x
    x = 435,226,454,171.33/713,813.57
  6. Step 6: Final answer
    x = 609,720.06

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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.