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Finding the Fourth Proportional to 425,165.94, 637,827.39 and 175,867.38

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Solution

The fourth proportional to 425,165.94, 637,827.39 and 175,867.38 is: 263,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,165.94 : 637,827.39 = 175,867.38 : x
  2. Step 2: Convert to fraction form
    425,165.94/637,827.39 = 175,867.38/x
  3. Step 3: Cross multiply
    425,165.94x = 637,827.39 × 175,867.38
  4. Step 4: Simplify right side
    425,165.94x = 112,173,031,971.54
  5. Step 5: Solve for x
    x = 112,173,031,971.54/425,165.94
  6. Step 6: Final answer
    x = 263,833.53

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1.5x scale

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.