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Finding the Fourth Proportional to 528,594.02, 792,891.03 and 129,230.05

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Solution

The fourth proportional to 528,594.02, 792,891.03 and 129,230.05 is: 193,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,594.02 : 792,891.03 = 129,230.05 : x
  2. Step 2: Convert to fraction form
    528,594.02/792,891.03 = 129,230.05/x
  3. Step 3: Cross multiply
    528,594.02x = 792,891.03 × 129,230.05
  4. Step 4: Simplify right side
    528,594.02x = 102,465,347,451.45
  5. Step 5: Solve for x
    x = 102,465,347,451.45/528,594.02
  6. Step 6: Final answer
    x = 193,845.08

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Similar ratio
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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.