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Finding the Fourth Proportional to 340,799.70, 470,301.48 and 185,750.82

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Solution

The fourth proportional to 340,799.70, 470,301.48 and 185,750.82 is: 256,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,799.70 : 470,301.48 = 185,750.82 : x
  2. Step 2: Convert to fraction form
    340,799.70/470,301.48 = 185,750.82/x
  3. Step 3: Cross multiply
    340,799.70x = 470,301.48 × 185,750.82
  4. Step 4: Simplify right side
    340,799.70x = 87,358,884,845.84
  5. Step 5: Solve for x
    x = 87,358,884,845.84/340,799.70
  6. Step 6: Final answer
    x = 256,334.98

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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.