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Finding the Fourth Proportional to 346,308.48, 519,422.40 and 93,576.96

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Solution

The fourth proportional to 346,308.48, 519,422.40 and 93,576.96 is: 140,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,308.48 : 519,422.40 = 93,576.96 : x
  2. Step 2: Convert to fraction form
    346,308.48/519,422.40 = 93,576.96/x
  3. Step 3: Cross multiply
    346,308.48x = 519,422.40 × 93,576.96
  4. Step 4: Simplify right side
    346,308.48x = 48,605,969,147.90
  5. Step 5: Solve for x
    x = 48,605,969,147.90/346,308.48
  6. Step 6: Final answer
    x = 140,354.55

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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.