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Finding the Fourth Proportional to 634,883.02, 876,001.71 and 366,455.50

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Solution

The fourth proportional to 634,883.02, 876,001.71 and 366,455.50 is: 505,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,883.02 : 876,001.71 = 366,455.50 : x
  2. Step 2: Convert to fraction form
    634,883.02/876,001.71 = 366,455.50/x
  3. Step 3: Cross multiply
    634,883.02x = 876,001.71 × 366,455.50
  4. Step 4: Simplify right side
    634,883.02x = 321,015,644,638.91
  5. Step 5: Solve for x
    x = 321,015,644,638.91/634,883.02
  6. Step 6: Final answer
    x = 505,629.60

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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.