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Finding the Fourth Proportional to 505,860.01, 698,412.23 and 324,650.05

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Solution

The fourth proportional to 505,860.01, 698,412.23 and 324,650.05 is: 448,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,860.01 : 698,412.23 = 324,650.05 : x
  2. Step 2: Convert to fraction form
    505,860.01/698,412.23 = 324,650.05/x
  3. Step 3: Cross multiply
    505,860.01x = 698,412.23 × 324,650.05
  4. Step 4: Simplify right side
    505,860.01x = 226,739,565,390.11
  5. Step 5: Solve for x
    x = 226,739,565,390.11/505,860.01
  6. Step 6: Final answer
    x = 448,225.91

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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.