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Finding the Fourth Proportional to 634,464.80, 875,593.50 and 348,011.54

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Solution

The fourth proportional to 634,464.80, 875,593.50 and 348,011.54 is: 480,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,464.80 : 875,593.50 = 348,011.54 : x
  2. Step 2: Convert to fraction form
    634,464.80/875,593.50 = 348,011.54/x
  3. Step 3: Cross multiply
    634,464.80x = 875,593.50 × 348,011.54
  4. Step 4: Simplify right side
    634,464.80x = 304,716,642,348.99
  5. Step 5: Solve for x
    x = 304,716,642,348.99/634,464.80
  6. Step 6: Final answer
    x = 480,273.52

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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.