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Finding the Fourth Proportional to 346,502.80, 519,365.40 and 196,814.80

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Solution

The fourth proportional to 346,502.80, 519,365.40 and 196,814.80 is: 295,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,502.80 : 519,365.40 = 196,814.80 : x
  2. Step 2: Convert to fraction form
    346,502.80/519,365.40 = 196,814.80/x
  3. Step 3: Cross multiply
    346,502.80x = 519,365.40 × 196,814.80
  4. Step 4: Simplify right side
    346,502.80x = 102,218,797,327.92
  5. Step 5: Solve for x
    x = 102,218,797,327.92/346,502.80
  6. Step 6: Final answer
    x = 295,001.36

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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.