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Finding the Fourth Proportional to 467,956.34, 645,779.85 and 264,050.54

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Solution

The fourth proportional to 467,956.34, 645,779.85 and 264,050.54 is: 364,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,956.34 : 645,779.85 = 264,050.54 : x
  2. Step 2: Convert to fraction form
    467,956.34/645,779.85 = 264,050.54/x
  3. Step 3: Cross multiply
    467,956.34x = 645,779.85 × 264,050.54
  4. Step 4: Simplify right side
    467,956.34x = 170,518,518,113.62
  5. Step 5: Solve for x
    x = 170,518,518,113.62/467,956.34
  6. Step 6: Final answer
    x = 364,389.80

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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.