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Finding the Fourth Proportional to 874,509.88, 1,308,801.90 and 537,763.84

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Solution

The fourth proportional to 874,509.88, 1,308,801.90 and 537,763.84 is: 804,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,509.88 : 1,308,801.90 = 537,763.84 : x
  2. Step 2: Convert to fraction form
    874,509.88/1,308,801.90 = 537,763.84/x
  3. Step 3: Cross multiply
    874,509.88x = 1,308,801.90 × 537,763.84
  4. Step 4: Simplify right side
    874,509.88x = 703,826,335,543.30
  5. Step 5: Solve for x
    x = 703,826,335,543.30/874,509.88
  6. Step 6: Final answer
    x = 804,823.77

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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.