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Finding the Fourth Proportional to 275,886.30, 413,829.45 and 98,399.10

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Solution

The fourth proportional to 275,886.30, 413,829.45 and 98,399.10 is: 147,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,886.30 : 413,829.45 = 98,399.10 : x
  2. Step 2: Convert to fraction form
    275,886.30/413,829.45 = 98,399.10/x
  3. Step 3: Cross multiply
    275,886.30x = 413,829.45 × 98,399.10
  4. Step 4: Simplify right side
    275,886.30x = 40,720,445,433.50
  5. Step 5: Solve for x
    x = 40,720,445,433.50/275,886.30
  6. Step 6: Final answer
    x = 147,598.65

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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.