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Finding the Fourth Proportional to 896,969.96, 1,237,906.02 and 670,221.80

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Solution

The fourth proportional to 896,969.96, 1,237,906.02 and 670,221.80 is: 924,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,969.96 : 1,237,906.02 = 670,221.80 : x
  2. Step 2: Convert to fraction form
    896,969.96/1,237,906.02 = 670,221.80/x
  3. Step 3: Cross multiply
    896,969.96x = 1,237,906.02 × 670,221.80
  4. Step 4: Simplify right side
    896,969.96x = 829,671,600,955.24
  5. Step 5: Solve for x
    x = 829,671,600,955.24/896,969.96
  6. Step 6: Final answer
    x = 924,971.45

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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.