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Finding the Fourth Proportional to 205,271.60, 307,907.40 and 175,204.40

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Solution

The fourth proportional to 205,271.60, 307,907.40 and 175,204.40 is: 262,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,271.60 : 307,907.40 = 175,204.40 : x
  2. Step 2: Convert to fraction form
    205,271.60/307,907.40 = 175,204.40/x
  3. Step 3: Cross multiply
    205,271.60x = 307,907.40 × 175,204.40
  4. Step 4: Simplify right side
    205,271.60x = 53,946,731,272.56
  5. Step 5: Solve for x
    x = 53,946,731,272.56/205,271.60
  6. Step 6: Final answer
    x = 262,806.60

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1.5x scale

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.