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Finding the Fourth Proportional to 344,678.68, 475,970.34 and 259,648.12

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Solution

The fourth proportional to 344,678.68, 475,970.34 and 259,648.12 is: 358,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,678.68 : 475,970.34 = 259,648.12 : x
  2. Step 2: Convert to fraction form
    344,678.68/475,970.34 = 259,648.12/x
  3. Step 3: Cross multiply
    344,678.68x = 475,970.34 × 259,648.12
  4. Step 4: Simplify right side
    344,678.68x = 123,584,803,956.76
  5. Step 5: Solve for x
    x = 123,584,803,956.76/344,678.68
  6. Step 6: Final answer
    x = 358,550.76

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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.