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Finding the Fourth Proportional to 982,501, 1,355,841.80 and 546,911.44

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Solution

The fourth proportional to 982,501, 1,355,841.80 and 546,911.44 is: 754,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,501 : 1,355,841.80 = 546,911.44 : x
  2. Step 2: Convert to fraction form
    982,501/1,355,841.80 = 546,911.44/x
  3. Step 3: Cross multiply
    982,501x = 1,355,841.80 × 546,911.44
  4. Step 4: Simplify right side
    982,501x = 741,525,391,250.19
  5. Step 5: Solve for x
    x = 741,525,391,250.19/982,501
  6. Step 6: Final answer
    x = 754,732.45

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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.