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Finding the Fourth Proportional to 397,980.06, 549,251.19 and 297,203.10

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Solution

The fourth proportional to 397,980.06, 549,251.19 and 297,203.10 is: 410,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,980.06 : 549,251.19 = 297,203.10 : x
  2. Step 2: Convert to fraction form
    397,980.06/549,251.19 = 297,203.10/x
  3. Step 3: Cross multiply
    397,980.06x = 549,251.19 × 297,203.10
  4. Step 4: Simplify right side
    397,980.06x = 163,239,156,346.69
  5. Step 5: Solve for x
    x = 163,239,156,346.69/397,980.06
  6. Step 6: Final answer
    x = 410,169.18

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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.