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Finding the Fourth Proportional to 350,540.10, 525,810.15 and 97,820.10

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Solution

The fourth proportional to 350,540.10, 525,810.15 and 97,820.10 is: 146,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,540.10 : 525,810.15 = 97,820.10 : x
  2. Step 2: Convert to fraction form
    350,540.10/525,810.15 = 97,820.10/x
  3. Step 3: Cross multiply
    350,540.10x = 525,810.15 × 97,820.10
  4. Step 4: Simplify right side
    350,540.10x = 51,434,801,454.02
  5. Step 5: Solve for x
    x = 51,434,801,454.02/350,540.10
  6. Step 6: Final answer
    x = 146,730.15

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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.