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Finding the Fourth Proportional to 585,507.78, 877,663.08 and 332,253.18

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Solution

The fourth proportional to 585,507.78, 877,663.08 and 332,253.18 is: 498,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,507.78 : 877,663.08 = 332,253.18 : x
  2. Step 2: Convert to fraction form
    585,507.78/877,663.08 = 332,253.18/x
  3. Step 3: Cross multiply
    585,507.78x = 877,663.08 × 332,253.18
  4. Step 4: Simplify right side
    585,507.78x = 291,606,349,298.59
  5. Step 5: Solve for x
    x = 291,606,349,298.59/585,507.78
  6. Step 6: Final answer
    x = 498,040.09

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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.