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Finding the Fourth Proportional to 360,394.76, 497,346 and 197,054.48

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Solution

The fourth proportional to 360,394.76, 497,346 and 197,054.48 is: 271,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,394.76 : 497,346 = 197,054.48 : x
  2. Step 2: Convert to fraction form
    360,394.76/497,346 = 197,054.48/x
  3. Step 3: Cross multiply
    360,394.76x = 497,346 × 197,054.48
  4. Step 4: Simplify right side
    360,394.76x = 98,004,257,410.08
  5. Step 5: Solve for x
    x = 98,004,257,410.08/360,394.76
  6. Step 6: Final answer
    x = 271,935.86

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Half scale
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Double scale
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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.