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Finding the Fourth Proportional to 482,890.79, 666,387.64 and 265,094.04

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Solution

The fourth proportional to 482,890.79, 666,387.64 and 265,094.04 is: 365,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,890.79 : 666,387.64 = 265,094.04 : x
  2. Step 2: Convert to fraction form
    482,890.79/666,387.64 = 265,094.04/x
  3. Step 3: Cross multiply
    482,890.79x = 666,387.64 × 265,094.04
  4. Step 4: Simplify right side
    482,890.79x = 176,655,391,693.67
  5. Step 5: Solve for x
    x = 176,655,391,693.67/482,890.79
  6. Step 6: Final answer
    x = 365,828.87

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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.