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Finding the Fourth Proportional to 585,437.30, 877,557.76 and 332,182.78

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Solution

The fourth proportional to 585,437.30, 877,557.76 and 332,182.78 is: 497,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,437.30 : 877,557.76 = 332,182.78 : x
  2. Step 2: Convert to fraction form
    585,437.30/877,557.76 = 332,182.78/x
  3. Step 3: Cross multiply
    585,437.30x = 877,557.76 × 332,182.78
  4. Step 4: Simplify right side
    585,437.30x = 291,509,576,327.37
  5. Step 5: Solve for x
    x = 291,509,576,327.37/585,437.30
  6. Step 6: Final answer
    x = 497,934.75

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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.