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Finding the Fourth Proportional to 621,627, 928,901.87 and 466,743.25

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Solution

The fourth proportional to 621,627, 928,901.87 and 466,743.25 is: 697,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,627 : 928,901.87 = 466,743.25 : x
  2. Step 2: Convert to fraction form
    621,627/928,901.87 = 466,743.25/x
  3. Step 3: Cross multiply
    621,627x = 928,901.87 × 466,743.25
  4. Step 4: Simplify right side
    621,627x = 433,558,677,734.88
  5. Step 5: Solve for x
    x = 433,558,677,734.88/621,627
  6. Step 6: Final answer
    x = 697,457.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.