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Finding the Fourth Proportional to 585,710.80, 878,566.20 and 336,187.60

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Solution

The fourth proportional to 585,710.80, 878,566.20 and 336,187.60 is: 504,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,710.80 : 878,566.20 = 336,187.60 : x
  2. Step 2: Convert to fraction form
    585,710.80/878,566.20 = 336,187.60/x
  3. Step 3: Cross multiply
    585,710.80x = 878,566.20 × 336,187.60
  4. Step 4: Simplify right side
    585,710.80x = 295,363,062,219.12
  5. Step 5: Solve for x
    x = 295,363,062,219.12/585,710.80
  6. Step 6: Final answer
    x = 504,281.40

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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.