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Finding the Fourth Proportional to 455,799.96, 628,849.98 and 264,656.16

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Solution

The fourth proportional to 455,799.96, 628,849.98 and 264,656.16 is: 365,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,799.96 : 628,849.98 = 264,656.16 : x
  2. Step 2: Convert to fraction form
    455,799.96/628,849.98 = 264,656.16/x
  3. Step 3: Cross multiply
    455,799.96x = 628,849.98 × 264,656.16
  4. Step 4: Simplify right side
    455,799.96x = 166,429,020,922.88
  5. Step 5: Solve for x
    x = 166,429,020,922.88/455,799.96
  6. Step 6: Final answer
    x = 365,136.10

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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.