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Finding the Fourth Proportional to 477,699.32, 659,240.94 and 262,855.16

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Solution

The fourth proportional to 477,699.32, 659,240.94 and 262,855.16 is: 362,748.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,699.32 : 659,240.94 = 262,855.16 : x
  2. Step 2: Convert to fraction form
    477,699.32/659,240.94 = 262,855.16/x
  3. Step 3: Cross multiply
    477,699.32x = 659,240.94 × 262,855.16
  4. Step 4: Simplify right side
    477,699.32x = 173,284,882,762.25
  5. Step 5: Solve for x
    x = 173,284,882,762.25/477,699.32
  6. Step 6: Final answer
    x = 362,748.86

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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.