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Finding the Fourth Proportional to 478,956.65, 660,946.03 and 264,096.65

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Solution

The fourth proportional to 478,956.65, 660,946.03 and 264,096.65 is: 364,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,956.65 : 660,946.03 = 264,096.65 : x
  2. Step 2: Convert to fraction form
    478,956.65/660,946.03 = 264,096.65/x
  3. Step 3: Cross multiply
    478,956.65x = 660,946.03 × 264,096.65
  4. Step 4: Simplify right side
    478,956.65x = 174,553,633,345.92
  5. Step 5: Solve for x
    x = 174,553,633,345.92/478,956.65
  6. Step 6: Final answer
    x = 364,445.58

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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.