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Finding the Fourth Proportional to 528,462.47, 792,691.58 and 191,424.25

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Solution

The fourth proportional to 528,462.47, 792,691.58 and 191,424.25 is: 287,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,462.47 : 792,691.58 = 191,424.25 : x
  2. Step 2: Convert to fraction form
    528,462.47/792,691.58 = 191,424.25/x
  3. Step 3: Cross multiply
    528,462.47x = 792,691.58 × 191,424.25
  4. Step 4: Simplify right side
    528,462.47x = 151,740,388,243.97
  5. Step 5: Solve for x
    x = 151,740,388,243.97/528,462.47
  6. Step 6: Final answer
    x = 287,135.60

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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.