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Finding the Fourth Proportional to 924,469.20, 1,386,703.80 and 620,038.80

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Solution

The fourth proportional to 924,469.20, 1,386,703.80 and 620,038.80 is: 930,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,469.20 : 1,386,703.80 = 620,038.80 : x
  2. Step 2: Convert to fraction form
    924,469.20/1,386,703.80 = 620,038.80/x
  3. Step 3: Cross multiply
    924,469.20x = 1,386,703.80 × 620,038.80
  4. Step 4: Simplify right side
    924,469.20x = 859,810,160,107.44
  5. Step 5: Solve for x
    x = 859,810,160,107.44/924,469.20
  6. Step 6: Final answer
    x = 930,058.20

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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.