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Finding the Fourth Proportional to 587,757.40, 881,636.10 and 401,133.40

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Solution

The fourth proportional to 587,757.40, 881,636.10 and 401,133.40 is: 601,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,757.40 : 881,636.10 = 401,133.40 : x
  2. Step 2: Convert to fraction form
    587,757.40/881,636.10 = 401,133.40/x
  3. Step 3: Cross multiply
    587,757.40x = 881,636.10 × 401,133.40
  4. Step 4: Simplify right side
    587,757.40x = 353,653,686,355.74
  5. Step 5: Solve for x
    x = 353,653,686,355.74/587,757.40
  6. Step 6: Final answer
    x = 601,700.10

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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.