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Finding the Fourth Proportional to 634,253, 875,295.60 and 347,784.08

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Solution

The fourth proportional to 634,253, 875,295.60 and 347,784.08 is: 479,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,253 : 875,295.60 = 347,784.08 : x
  2. Step 2: Convert to fraction form
    634,253/875,295.60 = 347,784.08/x
  3. Step 3: Cross multiply
    634,253x = 875,295.60 × 347,784.08
  4. Step 4: Simplify right side
    634,253x = 304,413,874,974.05
  5. Step 5: Solve for x
    x = 304,413,874,974.05/634,253
  6. Step 6: Final answer
    x = 479,956.54

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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.