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Finding the Fourth Proportional to 924,346.80, 1,385,353.80 and 450,010.80

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Solution

The fourth proportional to 924,346.80, 1,385,353.80 and 450,010.80 is: 674,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,346.80 : 1,385,353.80 = 450,010.80 : x
  2. Step 2: Convert to fraction form
    924,346.80/1,385,353.80 = 450,010.80/x
  3. Step 3: Cross multiply
    924,346.80x = 1,385,353.80 × 450,010.80
  4. Step 4: Simplify right side
    924,346.80x = 623,424,171,821.04
  5. Step 5: Solve for x
    x = 623,424,171,821.04/924,346.80
  6. Step 6: Final answer
    x = 674,448.35

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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.