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Finding the Fourth Proportional to 292,956.90, 438,718.74 and 264,558.03

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Solution

The fourth proportional to 292,956.90, 438,718.74 and 264,558.03 is: 396,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,956.90 : 438,718.74 = 264,558.03 : x
  2. Step 2: Convert to fraction form
    292,956.90/438,718.74 = 264,558.03/x
  3. Step 3: Cross multiply
    292,956.90x = 438,718.74 × 264,558.03
  4. Step 4: Simplify right side
    292,956.90x = 116,066,563,384.89
  5. Step 5: Solve for x
    x = 116,066,563,384.89/292,956.90
  6. Step 6: Final answer
    x = 396,189.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.