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Finding the Fourth Proportional to 416,855.57, 575,271.34 and 255,799.62

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Solution

The fourth proportional to 416,855.57, 575,271.34 and 255,799.62 is: 353,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,855.57 : 575,271.34 = 255,799.62 : x
  2. Step 2: Convert to fraction form
    416,855.57/575,271.34 = 255,799.62/x
  3. Step 3: Cross multiply
    416,855.57x = 575,271.34 × 255,799.62
  4. Step 4: Simplify right side
    416,855.57x = 147,154,189,529.39
  5. Step 5: Solve for x
    x = 147,154,189,529.39/416,855.57
  6. Step 6: Final answer
    x = 353,010.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.