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Finding the Fourth Proportional to 698,491.31, 964,154.00 and 453,810.83

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Solution

The fourth proportional to 698,491.31, 964,154.00 and 453,810.83 is: 626,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,491.31 : 964,154.00 = 453,810.83 : x
  2. Step 2: Convert to fraction form
    698,491.31/964,154.00 = 453,810.83/x
  3. Step 3: Cross multiply
    698,491.31x = 964,154.00 × 453,810.83
  4. Step 4: Simplify right side
    698,491.31x = 437,543,523,301.58
  5. Step 5: Solve for x
    x = 437,543,523,301.58/698,491.31
  6. Step 6: Final answer
    x = 626,412.27

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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.