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Finding the Fourth Proportional to 924,235.60, 1,384,020.60 and 606,974.80

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Solution

The fourth proportional to 924,235.60, 1,384,020.60 and 606,974.80 is: 908,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,235.60 : 1,384,020.60 = 606,974.80 : x
  2. Step 2: Convert to fraction form
    924,235.60/1,384,020.60 = 606,974.80/x
  3. Step 3: Cross multiply
    924,235.60x = 1,384,020.60 × 606,974.80
  4. Step 4: Simplify right side
    924,235.60x = 840,065,626,880.88
  5. Step 5: Solve for x
    x = 840,065,626,880.88/924,235.60
  6. Step 6: Final answer
    x = 908,930.18

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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.