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Finding the Fourth Proportional to 874,508.88, 1,308,800.40 and 537,762.84

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Solution

The fourth proportional to 874,508.88, 1,308,800.40 and 537,762.84 is: 804,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,508.88 : 1,308,800.40 = 537,762.84 : x
  2. Step 2: Convert to fraction form
    874,508.88/1,308,800.40 = 537,762.84/x
  3. Step 3: Cross multiply
    874,508.88x = 1,308,800.40 × 537,762.84
  4. Step 4: Simplify right side
    874,508.88x = 703,824,220,097.14
  5. Step 5: Solve for x
    x = 703,824,220,097.14/874,508.88
  6. Step 6: Final answer
    x = 804,822.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.