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Finding the Fourth Proportional to 528,098.80, 792,148.20 and 482,479.60

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Solution

The fourth proportional to 528,098.80, 792,148.20 and 482,479.60 is: 723,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,098.80 : 792,148.20 = 482,479.60 : x
  2. Step 2: Convert to fraction form
    528,098.80/792,148.20 = 482,479.60/x
  3. Step 3: Cross multiply
    528,098.80x = 792,148.20 × 482,479.60
  4. Step 4: Simplify right side
    528,098.80x = 382,195,346,676.72
  5. Step 5: Solve for x
    x = 382,195,346,676.72/528,098.80
  6. Step 6: Final answer
    x = 723,719.40

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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.