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Finding the Fourth Proportional to 587,852, 811,241.52 and 319,585.76

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Solution

The fourth proportional to 587,852, 811,241.52 and 319,585.76 is: 441,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,852 : 811,241.52 = 319,585.76 : x
  2. Step 2: Convert to fraction form
    587,852/811,241.52 = 319,585.76/x
  3. Step 3: Cross multiply
    587,852x = 811,241.52 × 319,585.76
  4. Step 4: Simplify right side
    587,852x = 259,261,237,712.76
  5. Step 5: Solve for x
    x = 259,261,237,712.76/587,852
  6. Step 6: Final answer
    x = 441,031.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.