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Finding the Fourth Proportional to 335,688.60, 503,532.90 and 193,776.60

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Solution

The fourth proportional to 335,688.60, 503,532.90 and 193,776.60 is: 290,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,688.60 : 503,532.90 = 193,776.60 : x
  2. Step 2: Convert to fraction form
    335,688.60/503,532.90 = 193,776.60/x
  3. Step 3: Cross multiply
    335,688.60x = 503,532.90 × 193,776.60
  4. Step 4: Simplify right side
    335,688.60x = 97,572,893,350.14
  5. Step 5: Solve for x
    x = 97,572,893,350.14/335,688.60
  6. Step 6: Final answer
    x = 290,664.90

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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.