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Finding the Fourth Proportional to 525,984.60, 787,008.60 and 348,837.60

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Solution

The fourth proportional to 525,984.60, 787,008.60 and 348,837.60 is: 521,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,984.60 : 787,008.60 = 348,837.60 : x
  2. Step 2: Convert to fraction form
    525,984.60/787,008.60 = 348,837.60/x
  3. Step 3: Cross multiply
    525,984.60x = 787,008.60 × 348,837.60
  4. Step 4: Simplify right side
    525,984.60x = 274,538,191,203.36
  5. Step 5: Solve for x
    x = 274,538,191,203.36/525,984.60
  6. Step 6: Final answer
    x = 521,951.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.