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Finding the Fourth Proportional to 528,518.54, 792,775.56 and 191,480.16

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Solution

The fourth proportional to 528,518.54, 792,775.56 and 191,480.16 is: 287,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,518.54 : 792,775.56 = 191,480.16 : x
  2. Step 2: Convert to fraction form
    528,518.54/792,775.56 = 191,480.16/x
  3. Step 3: Cross multiply
    528,518.54x = 792,775.56 × 191,480.16
  4. Step 4: Simplify right side
    528,518.54x = 151,800,791,072.89
  5. Step 5: Solve for x
    x = 151,800,791,072.89/528,518.54
  6. Step 6: Final answer
    x = 287,219.42

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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.