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Finding the Fourth Proportional to 1,155,100, 1,593,398 and 671,611.68

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Solution

The fourth proportional to 1,155,100, 1,593,398 and 671,611.68 is: 926,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,100 : 1,593,398 = 671,611.68 : x
  2. Step 2: Convert to fraction form
    1,155,100/1,593,398 = 671,611.68/x
  3. Step 3: Cross multiply
    1,155,100x = 1,593,398 × 671,611.68
  4. Step 4: Simplify right side
    1,155,100x = 1,070,144,707,688.64
  5. Step 5: Solve for x
    x = 1,070,144,707,688.64/1,155,100
  6. Step 6: Final answer
    x = 926,452.00

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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.