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Finding the Fourth Proportional to 528,500.48, 792,722.40 and 186,920.24

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Solution

The fourth proportional to 528,500.48, 792,722.40 and 186,920.24 is: 280,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,500.48 : 792,722.40 = 186,920.24 : x
  2. Step 2: Convert to fraction form
    528,500.48/792,722.40 = 186,920.24/x
  3. Step 3: Cross multiply
    528,500.48x = 792,722.40 × 186,920.24
  4. Step 4: Simplify right side
    528,500.48x = 148,175,861,261.38
  5. Step 5: Solve for x
    x = 148,175,861,261.38/528,500.48
  6. Step 6: Final answer
    x = 280,370.34

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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.