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Finding the Fourth Proportional to 477,779.99, 659,363.63 and 273,864.85

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Solution

The fourth proportional to 477,779.99, 659,363.63 and 273,864.85 is: 377,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,779.99 : 659,363.63 = 273,864.85 : x
  2. Step 2: Convert to fraction form
    477,779.99/659,363.63 = 273,864.85/x
  3. Step 3: Cross multiply
    477,779.99x = 659,363.63 × 273,864.85
  4. Step 4: Simplify right side
    477,779.99x = 180,576,518,607.67
  5. Step 5: Solve for x
    x = 180,576,518,607.67/477,779.99
  6. Step 6: Final answer
    x = 377,949.11

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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.