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Finding the Fourth Proportional to 634,967.35, 876,308.73 and 348,535.96

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Solution

The fourth proportional to 634,967.35, 876,308.73 and 348,535.96 is: 481,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,967.35 : 876,308.73 = 348,535.96 : x
  2. Step 2: Convert to fraction form
    634,967.35/876,308.73 = 348,535.96/x
  3. Step 3: Cross multiply
    634,967.35x = 876,308.73 × 348,535.96
  4. Step 4: Simplify right side
    634,967.35x = 305,425,104,466.93
  5. Step 5: Solve for x
    x = 305,425,104,466.93/634,967.35
  6. Step 6: Final answer
    x = 481,009.15

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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.