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Finding the Fourth Proportional to 407,350.60, 611,244.60 and 170,717.20

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Solution

The fourth proportional to 407,350.60, 611,244.60 and 170,717.20 is: 256,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,350.60 : 611,244.60 = 170,717.20 : x
  2. Step 2: Convert to fraction form
    407,350.60/611,244.60 = 170,717.20/x
  3. Step 3: Cross multiply
    407,350.60x = 611,244.60 × 170,717.20
  4. Step 4: Simplify right side
    407,350.60x = 104,349,966,627.12
  5. Step 5: Solve for x
    x = 104,349,966,627.12/407,350.60
  6. Step 6: Final answer
    x = 256,167.46

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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.