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Finding the Fourth Proportional to 585,015.25, 877,522.89 and 141,783.25

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Solution

The fourth proportional to 585,015.25, 877,522.89 and 141,783.25 is: 212,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,015.25 : 877,522.89 = 141,783.25 : x
  2. Step 2: Convert to fraction form
    585,015.25/877,522.89 = 141,783.25/x
  3. Step 3: Cross multiply
    585,015.25x = 877,522.89 × 141,783.25
  4. Step 4: Simplify right side
    585,015.25x = 124,418,047,293.59
  5. Step 5: Solve for x
    x = 124,418,047,293.59/585,015.25
  6. Step 6: Final answer
    x = 212,674.88

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Double scale
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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.