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Finding the Fourth Proportional to 634,937.88, 876,185.40 and 348,452.28

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Solution

The fourth proportional to 634,937.88, 876,185.40 and 348,452.28 is: 480,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,937.88 : 876,185.40 = 348,452.28 : x
  2. Step 2: Convert to fraction form
    634,937.88/876,185.40 = 348,452.28/x
  3. Step 3: Cross multiply
    634,937.88x = 876,185.40 × 348,452.28
  4. Step 4: Simplify right side
    634,937.88x = 305,308,800,332.71
  5. Step 5: Solve for x
    x = 305,308,800,332.71/634,937.88
  6. Step 6: Final answer
    x = 480,848.30

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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.