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Finding the Fourth Proportional to 585,086.40, 877,629.60 and 363,902.40

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Solution

The fourth proportional to 585,086.40, 877,629.60 and 363,902.40 is: 545,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,086.40 : 877,629.60 = 363,902.40 : x
  2. Step 2: Convert to fraction form
    585,086.40/877,629.60 = 363,902.40/x
  3. Step 3: Cross multiply
    585,086.40x = 877,629.60 × 363,902.40
  4. Step 4: Simplify right side
    585,086.40x = 319,371,517,751.04
  5. Step 5: Solve for x
    x = 319,371,517,751.04/585,086.40
  6. Step 6: Final answer
    x = 545,853.60

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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.