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Finding the Fourth Proportional to 852,496.60, 1,279,436.10 and 824,848.60

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Solution

The fourth proportional to 852,496.60, 1,279,436.10 and 824,848.60 is: 1,237,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,496.60 : 1,279,436.10 = 824,848.60 : x
  2. Step 2: Convert to fraction form
    852,496.60/1,279,436.10 = 824,848.60/x
  3. Step 3: Cross multiply
    852,496.60x = 1,279,436.10 × 824,848.60
  4. Step 4: Simplify right side
    852,496.60x = 1,055,341,075,874.46
  5. Step 5: Solve for x
    x = 1,055,341,075,874.46/852,496.60
  6. Step 6: Final answer
    x = 1,237,941.68

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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.